18917164

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{23297}}^1$

素因数の和:23337

約数の個数: 24

約数和(自身を含む): 39140640

約数和(自身を除く): 20223476

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 116, 203, 406, 812, 23297, 46594, 93188, 163079, 326158, 652316, 675613, 1351226, 2702452, 4729291, 9458582, 18917164]

約数ペア:

[(1, 18917164), (2, 9458582), (4, 4729291), (7, 2702452), (14, 1351226), (28, 675613), (29, 652316), (58, 326158), (116, 163079), (203, 93188), (406, 46594), (812, 23297)]