18980491797

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{44871139}}^1$

素因数の和:44871192

約数の個数: 12

約数和(自身を含む): 27999591360

約数和(自身を除く): 9019099563

約数列:

[1, 3, 9, 47, 141, 423, 44871139, 134613417, 403840251, 2108943533, 6326830599, 18980491797]

約数ペア:

[(1, 18980491797), (3, 6326830599), (9, 2108943533), (47, 403840251), (141, 134613417), (423, 44871139)]