18952157

素因数分解:

$7^1\times {\mathrm{59}}^1\times {\mathrm{109}}^1\times {\mathrm{421}}^1$

素因数の和:596

約数の個数: 16

約数和(自身を含む): 22281600

約数和(自身を除く): 3329443

約数列:

[1, 7, 59, 109, 413, 421, 763, 2947, 6431, 24839, 45017, 45889, 173873, 321223, 2707451, 18952157]

約数ペア:

[(1, 18952157), (7, 2707451), (59, 321223), (109, 173873), (413, 45889), (421, 45017), (763, 24839), (2947, 6431)]