19738521

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{199379}}^1$

素因数の和:199396

約数の個数: 12

約数和(自身を含む): 31103280

約数和(自身を除く): 11364759

約数列:

[1, 3, 9, 11, 33, 99, 199379, 598137, 1794411, 2193169, 6579507, 19738521]

約数ペア:

[(1, 19738521), (3, 6579507), (9, 2193169), (11, 1794411), (33, 598137), (99, 199379)]