19516977

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{10181}}^1$

素因数の和:10261

約数の個数: 16

約数和(自身を含む): 29324160

約数和(自身を除く): 9807183

約数列:

[1, 3, 9, 27, 71, 213, 639, 1917, 10181, 30543, 91629, 274887, 722851, 2168553, 6505659, 19516977]

約数ペア:

[(1, 19516977), (3, 6505659), (9, 2168553), (27, 722851), (71, 274887), (213, 91629), (639, 30543), (1917, 10181)]