18212660

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{11527}}^1$

素因数の和:11615

約数の個数: 24

約数和(自身を含む): 38734080

約数和(自身を除く): 20521420

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 11527, 23054, 46108, 57635, 115270, 230540, 910633, 1821266, 3642532, 4553165, 9106330, 18212660]

約数ペア:

[(1, 18212660), (2, 9106330), (4, 4553165), (5, 3642532), (10, 1821266), (20, 910633), (79, 230540), (158, 115270), (316, 57635), (395, 46108), (790, 23054), (1580, 11527)]