18250580

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{11551}}^1$

素因数の和:11639

約数の個数: 24

約数和(自身を含む): 38814720

約数和(自身を除く): 20564140

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 11551, 23102, 46204, 57755, 115510, 231020, 912529, 1825058, 3650116, 4562645, 9125290, 18250580]

約数ペア:

[(1, 18250580), (2, 9125290), (4, 4562645), (5, 3650116), (10, 1825058), (20, 912529), (79, 231020), (158, 115510), (316, 57755), (395, 46204), (790, 23102), (1580, 11551)]