18647165

素因数分解:

$5^1\times {\mathrm{43}}^2\times {\mathrm{2017}}^1$

素因数の和:2108

約数の個数: 12

約数和(自身を含む): 22920444

約数和(自身を除く): 4273279

約数列:

[1, 5, 43, 215, 1849, 2017, 9245, 10085, 86731, 433655, 3729433, 18647165]

約数ペア:

[(1, 18647165), (5, 3729433), (43, 433655), (215, 86731), (1849, 10085), (2017, 9245)]