18255820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{82981}}^1$

素因数の和:83001

約数の個数: 24

約数和(自身を含む): 41822928

約数和(自身を除く): 23567108

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 82981, 165962, 331924, 414905, 829810, 912791, 1659620, 1825582, 3651164, 4563955, 9127910, 18255820]

約数ペア:

[(1, 18255820), (2, 9127910), (4, 4563955), (5, 3651164), (10, 1825582), (11, 1659620), (20, 912791), (22, 829810), (44, 414905), (55, 331924), (110, 165962), (220, 82981)]