18084980

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31181}}^1$

素因数の和:31219

約数の個数: 24

約数和(自身を含む): 39289320

約数和(自身を除く): 21204340

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 31181, 62362, 124724, 155905, 311810, 623620, 904249, 1808498, 3616996, 4521245, 9042490, 18084980]

約数ペア:

[(1, 18084980), (2, 9042490), (4, 4521245), (5, 3616996), (10, 1808498), (20, 904249), (29, 623620), (58, 311810), (116, 155905), (145, 124724), (290, 62362), (580, 31181)]