18909218

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{17159}}^1$

素因数の和:17209

約数の個数: 16

約数和(自身を含む): 30888000

約数和(自身を除く): 11978782

約数列:

[1, 2, 19, 29, 38, 58, 551, 1102, 17159, 34318, 326021, 497611, 652042, 995222, 9454609, 18909218]

約数ペア:

[(1, 18909218), (2, 9454609), (19, 995222), (29, 652042), (38, 497611), (58, 326021), (551, 34318), (1102, 17159)]