18786898

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{331}}^1$

素因数の和:442

約数の個数: 32

約数和(自身を含む): 31792320

約数和(自身を除く): 13005422

約数列:

[1, 2, 13, 26, 37, 59, 74, 118, 331, 481, 662, 767, 962, 1534, 2183, 4303, 4366, 8606, 12247, 19529, 24494, 28379, 39058, 56758, 159211, 253877, 318422, 507754, 722573, 1445146, 9393449, 18786898]

約数ペア:

[(1, 18786898), (2, 9393449), (13, 1445146), (26, 722573), (37, 507754), (59, 318422), (74, 253877), (118, 159211), (331, 56758), (481, 39058), (662, 28379), (767, 24494), (962, 19529), (1534, 12247), (2183, 8606), (4303, 4366)]