18657482

素因数分解:

$2^1\times {\mathrm{137}}^1\times {\mathrm{149}}^1\times {\mathrm{457}}^1$

素因数の和:745

約数の個数: 16

約数和(自身を含む): 28441800

約数和(自身を除く): 9784318

約数列:

[1, 2, 137, 149, 274, 298, 457, 914, 20413, 40826, 62609, 68093, 125218, 136186, 9328741, 18657482]

約数ペア:

[(1, 18657482), (2, 9328741), (137, 136186), (149, 125218), (274, 68093), (298, 62609), (457, 40826), (914, 20413)]