19410759

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{5573}}^1$

素因数の和:5628

約数の個数: 20

約数和(自身を含む): 29675976

約数和(自身を除く): 10265217

約数列:

[1, 3, 9, 27, 43, 81, 129, 387, 1161, 3483, 5573, 16719, 50157, 150471, 239639, 451413, 718917, 2156751, 6470253, 19410759]

約数ペア:

[(1, 19410759), (3, 6470253), (9, 2156751), (27, 718917), (43, 451413), (81, 239639), (129, 150471), (387, 50157), (1161, 16719), (3483, 5573)]