19956585

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{1531}}^1$

素因数の和:1629

約数の個数: 32

約数和(自身を含む): 35297280

約数和(自身を除く): 15340695

約数列:

[1, 3, 5, 11, 15, 33, 55, 79, 165, 237, 395, 869, 1185, 1531, 2607, 4345, 4593, 7655, 13035, 16841, 22965, 50523, 84205, 120949, 252615, 362847, 604745, 1330439, 1814235, 3991317, 6652195, 19956585]

約数ペア:

[(1, 19956585), (3, 6652195), (5, 3991317), (11, 1814235), (15, 1330439), (33, 604745), (55, 362847), (79, 252615), (165, 120949), (237, 84205), (395, 50523), (869, 22965), (1185, 16841), (1531, 13035), (2607, 7655), (4345, 4593)]