18475724

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{163}}^1\times {\mathrm{659}}^1$

素因数の和:869

約数の個数: 24

約数和(自身を含む): 33337920

約数和(自身を除く): 14862196

約数列:

[1, 2, 4, 43, 86, 163, 172, 326, 652, 659, 1318, 2636, 7009, 14018, 28036, 28337, 56674, 107417, 113348, 214834, 429668, 4618931, 9237862, 18475724]

約数ペア:

[(1, 18475724), (2, 9237862), (4, 4618931), (43, 429668), (86, 214834), (163, 113348), (172, 107417), (326, 56674), (652, 28337), (659, 28036), (1318, 14018), (2636, 7009)]