19998953

素因数分解:

${\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{6961}}^1$

素因数の和:7004

約数の個数: 12

約数和(自身を含む): 22932828

約数和(自身を除く): 2933875

約数列:

[1, 13, 17, 169, 221, 2873, 6961, 90493, 118337, 1176409, 1538381, 19998953]

約数ペア:

[(1, 19998953), (13, 1538381), (17, 1176409), (169, 118337), (221, 90493), (2873, 6961)]