39640084

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{81901}}^1$

素因数の和:81927

約数の個数: 18

約数和(自身を含む): 76250762

約数和(自身を除く): 36610678

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 81901, 163802, 327604, 900911, 1801822, 3603644, 9910021, 19820042, 39640084]

約数ペア:

[(1, 39640084), (2, 19820042), (4, 9910021), (11, 3603644), (22, 1801822), (44, 900911), (121, 327604), (242, 163802), (484, 81901)]