19906953

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{719}}^1\times {\mathrm{839}}^1$

素因数の和:1572

約数の個数: 16

約数和(自身を含む): 29030400

約数和(自身を除く): 9123447

約数列:

[1, 3, 11, 33, 719, 839, 2157, 2517, 7909, 9229, 23727, 27687, 603241, 1809723, 6635651, 19906953]

約数ペア:

[(1, 19906953), (3, 6635651), (11, 1809723), (33, 603241), (719, 27687), (839, 23727), (2157, 9229), (2517, 7909)]