18645974

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{4003}}^1$

素因数の和:4159

約数の個数: 16

約数和(自身を含む): 29837808

約数和(自身を除く): 11191834

約数列:

[1, 2, 17, 34, 137, 274, 2329, 4003, 4658, 8006, 68051, 136102, 548411, 1096822, 9322987, 18645974]

約数ペア:

[(1, 18645974), (2, 9322987), (17, 1096822), (34, 548411), (137, 136102), (274, 68051), (2329, 8006), (4003, 4658)]