18945441

素因数分解:

$3^3\times {\mathrm{61}}^1\times {\mathrm{11503}}^1$

素因数の和:11573

約数の個数: 16

約数和(自身を含む): 28529920

約数和(自身を除く): 9584479

約数列:

[1, 3, 9, 27, 61, 183, 549, 1647, 11503, 34509, 103527, 310581, 701683, 2105049, 6315147, 18945441]

約数ペア:

[(1, 18945441), (3, 6315147), (9, 2105049), (27, 701683), (61, 310581), (183, 103527), (549, 34509), (1647, 11503)]