18086140

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31183}}^1$

素因数の和:31221

約数の個数: 24

約数和(自身を含む): 39291840

約数和(自身を除く): 21205700

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 31183, 62366, 124732, 155915, 311830, 623660, 904307, 1808614, 3617228, 4521535, 9043070, 18086140]

約数ペア:

[(1, 18086140), (2, 9043070), (4, 4521535), (5, 3617228), (10, 1808614), (20, 904307), (29, 623660), (58, 311830), (116, 155915), (145, 124732), (290, 62366), (580, 31183)]