19927953

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{47111}}^1$

素因数の和:47164

約数の個数: 12

約数和(自身を含む): 29397888

約数和(自身を除く): 9469935

約数列:

[1, 3, 9, 47, 141, 423, 47111, 141333, 423999, 2214217, 6642651, 19927953]

約数ペア:

[(1, 19927953), (3, 6642651), (9, 2214217), (47, 423999), (141, 141333), (423, 47111)]