19953201

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1\times {\mathrm{829}}^1$

素因数の和:1016

約数の個数: 16

約数和(自身を含む): 27250560

約数和(自身を除く): 7297359

約数列:

[1, 3, 71, 113, 213, 339, 829, 2487, 8023, 24069, 58859, 93677, 176577, 281031, 6651067, 19953201]

約数ペア:

[(1, 19953201), (3, 6651067), (71, 281031), (113, 176577), (213, 93677), (339, 58859), (829, 24069), (2487, 8023)]