18322171

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{2099}}^1$

素因数の和:2178

約数の個数: 16

約数和(自身を含む): 22176000

約数和(自身を除く): 3853829

約数列:

[1, 7, 29, 43, 203, 301, 1247, 2099, 8729, 14693, 60871, 90257, 426097, 631799, 2617453, 18322171]

約数ペア:

[(1, 18322171), (7, 2617453), (29, 631799), (43, 426097), (203, 90257), (301, 60871), (1247, 14693), (2099, 8729)]