18955445

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{3271}}^1$

素因数の和:3356

約数の個数: 16

約数和(自身を含む): 24343680

約数和(自身を除く): 5388235

約数列:

[1, 5, 19, 61, 95, 305, 1159, 3271, 5795, 16355, 62149, 199531, 310745, 997655, 3791089, 18955445]

約数ペア:

[(1, 18955445), (5, 3791089), (19, 997655), (61, 310745), (95, 199531), (305, 62149), (1159, 16355), (3271, 5795)]