19981762009

素因数分解:

${\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{66029}}^1$

素因数の和:66153

約数の個数: 24

約数和(自身を含む): 22868301960

約数和(自身を除く): 2886539951

約数列:

[1, 11, 41, 61, 121, 451, 671, 2501, 4961, 7381, 27511, 66029, 302621, 726319, 2707189, 4027769, 7989509, 29779079, 44305459, 165138529, 327569869, 487360049, 1816523819, 19981762009]

約数ペア:

[(1, 19981762009), (11, 1816523819), (41, 487360049), (61, 327569869), (121, 165138529), (451, 44305459), (671, 29779079), (2501, 7989509), (4961, 4027769), (7381, 2707189), (27511, 726319), (66029, 302621)]