18171856

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{27701}}^1$

素因数の和:27750

約数の個数: 20

約数和(自身を含む): 36068004

約数和(自身を除く): 17896148

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 27701, 55402, 110804, 221608, 443216, 1135741, 2271482, 4542964, 9085928, 18171856]

約数ペア:

[(1, 18171856), (2, 9085928), (4, 4542964), (8, 2271482), (16, 1135741), (41, 443216), (82, 221608), (164, 110804), (328, 55402), (656, 27701)]