19972084

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{11071}}^1$

素因数の和:11127

約数の個数: 24

約数和(自身を含む): 39062016

約数和(自身を除く): 19089932

約数列:

[1, 2, 4, 11, 22, 41, 44, 82, 164, 451, 902, 1804, 11071, 22142, 44284, 121781, 243562, 453911, 487124, 907822, 1815644, 4993021, 9986042, 19972084]

約数ペア:

[(1, 19972084), (2, 9986042), (4, 4993021), (11, 1815644), (22, 907822), (41, 487124), (44, 453911), (82, 243562), (164, 121781), (451, 44284), (902, 22142), (1804, 11071)]