18573850

素因数分解:

$2^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{163}}^1$

素因数の和:271

約数の個数: 48

約数和(自身を含む): 36238752

約数和(自身を除く): 17664902

約数列:

[1, 2, 5, 10, 25, 43, 50, 53, 86, 106, 163, 215, 265, 326, 430, 530, 815, 1075, 1325, 1630, 2150, 2279, 2650, 4075, 4558, 7009, 8150, 8639, 11395, 14018, 17278, 22790, 35045, 43195, 56975, 70090, 86390, 113950, 175225, 215975, 350450, 371477, 431950, 742954, 1857385, 3714770, 9286925, 18573850]

約数ペア:

[(1, 18573850), (2, 9286925), (5, 3714770), (10, 1857385), (25, 742954), (43, 431950), (50, 371477), (53, 350450), (86, 215975), (106, 175225), (163, 113950), (215, 86390), (265, 70090), (326, 56975), (430, 43195), (530, 35045), (815, 22790), (1075, 17278), (1325, 14018), (1630, 11395), (2150, 8639), (2279, 8150), (2650, 7009), (4075, 4558)]