18720658

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{5711}}^1$

素因数の和:5873

約数の個数: 16

約数和(自身を含む): 30844800

約数和(自身を除く): 12124142

約数列:

[1, 2, 11, 22, 149, 298, 1639, 3278, 5711, 11422, 62821, 125642, 850939, 1701878, 9360329, 18720658]

約数ペア:

[(1, 18720658), (2, 9360329), (11, 1701878), (22, 850939), (149, 125642), (298, 62821), (1639, 11422), (3278, 5711)]