Ok, just to make sure I understood this correctly.
$22 \mod 19 = 3$
\begin{align} 2\times19&=38+3 = 41 \\ 3\times19&=57+3 = 60 \\ 4\times19&=76+3 = 79 \\ 5\times19&=95+3 = 98 \end{align}
\begin{align} 41/3 &= \mbox{not an integer} \\ 60/3 &= 20 \\ 79/3 &= \mbox{not an integer} \\ 98/3 &= \mbox{not an integer} \end{align}
How can I find all of them?