19950957

素因数分解:

$3^2\times {\mathrm{13}}^3\times {\mathrm{1009}}^1$

素因数の和:1054

約数の個数: 24

約数和(自身を含む): 31249400

約数和(自身を除く): 11298443

約数列:

[1, 3, 9, 13, 39, 117, 169, 507, 1009, 1521, 2197, 3027, 6591, 9081, 13117, 19773, 39351, 118053, 170521, 511563, 1534689, 2216773, 6650319, 19950957]

約数ペア:

[(1, 19950957), (3, 6650319), (9, 2216773), (13, 1534689), (39, 511563), (117, 170521), (169, 118053), (507, 39351), (1009, 19773), (1521, 13117), (2197, 9081), (3027, 6591)]