18212120

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{7717}}^1$

素因数の和:7787

約数の個数: 32

約数和(自身を含む): 41677200

約数和(自身を除く): 23465080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 118, 236, 295, 472, 590, 1180, 2360, 7717, 15434, 30868, 38585, 61736, 77170, 154340, 308680, 455303, 910606, 1821212, 2276515, 3642424, 4553030, 9106060, 18212120]

約数ペア:

[(1, 18212120), (2, 9106060), (4, 4553030), (5, 3642424), (8, 2276515), (10, 1821212), (20, 910606), (40, 455303), (59, 308680), (118, 154340), (236, 77170), (295, 61736), (472, 38585), (590, 30868), (1180, 15434), (2360, 7717)]