18417440

素因数分解:

$2^5\times 5^1\times {\mathrm{59}}^1\times {\mathrm{1951}}^1$

素因数の和:2025

約数の個数: 48

約数和(自身を含む): 44271360

約数和(自身を除く): 25853920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 59, 80, 118, 160, 236, 295, 472, 590, 944, 1180, 1888, 1951, 2360, 3902, 4720, 7804, 9440, 9755, 15608, 19510, 31216, 39020, 62432, 78040, 115109, 156080, 230218, 312160, 460436, 575545, 920872, 1151090, 1841744, 2302180, 3683488, 4604360, 9208720, 18417440]

約数ペア:

[(1, 18417440), (2, 9208720), (4, 4604360), (5, 3683488), (8, 2302180), (10, 1841744), (16, 1151090), (20, 920872), (32, 575545), (40, 460436), (59, 312160), (80, 230218), (118, 156080), (160, 115109), (236, 78040), (295, 62432), (472, 39020), (590, 31216), (944, 19510), (1180, 15608), (1888, 9755), (1951, 9440), (2360, 7804), (3902, 4720)]