19337620

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{12239}}^1$

素因数の和:12327

約数の個数: 24

約数和(自身を含む): 41126400

約数和(自身を除く): 21788780

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 12239, 24478, 48956, 61195, 122390, 244780, 966881, 1933762, 3867524, 4834405, 9668810, 19337620]

約数ペア:

[(1, 19337620), (2, 9668810), (4, 4834405), (5, 3867524), (10, 1933762), (20, 966881), (79, 244780), (158, 122390), (316, 61195), (395, 48956), (790, 24478), (1580, 12239)]