19966883684

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{2801}}^1\times {\mathrm{162011}}^1$

素因数の和:164827

約数の個数: 24

約数和(自身を含む): 38132440416

約数和(自身を除く): 18165556732

約数列:

[1, 2, 4, 11, 22, 44, 2801, 5602, 11204, 30811, 61622, 123244, 162011, 324022, 648044, 1782121, 3564242, 7128484, 453792811, 907585622, 1815171244, 4991720921, 9983441842, 19966883684]

約数ペア:

[(1, 19966883684), (2, 9983441842), (4, 4991720921), (11, 1815171244), (22, 907585622), (44, 453792811), (2801, 7128484), (5602, 3564242), (11204, 1782121), (30811, 648044), (61622, 324022), (123244, 162011)]