18026980

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31081}}^1$

素因数の和:31119

約数の個数: 24

約数和(自身を含む): 39163320

約数和(自身を除く): 21136340

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 31081, 62162, 124324, 155405, 310810, 621620, 901349, 1802698, 3605396, 4506745, 9013490, 18026980]

約数ペア:

[(1, 18026980), (2, 9013490), (4, 4506745), (5, 3605396), (10, 1802698), (20, 901349), (29, 621620), (58, 310810), (116, 155405), (145, 124324), (290, 62162), (580, 31081)]