19405503

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{2719}}^1$

素因数の和:2799

約数の個数: 24

約数和(自身を含む): 30692480

約数和(自身を除く): 11286977

約数列:

[1, 3, 9, 13, 39, 61, 117, 183, 549, 793, 2379, 2719, 7137, 8157, 24471, 35347, 106041, 165859, 318123, 497577, 1492731, 2156167, 6468501, 19405503]

約数ペア:

[(1, 19405503), (3, 6468501), (9, 2156167), (13, 1492731), (39, 497577), (61, 318123), (117, 165859), (183, 106041), (549, 35347), (793, 24471), (2379, 8157), (2719, 7137)]