19557556

素因数分解:

$2^2\times {\mathrm{59}}^1\times {\mathrm{79}}^1\times {\mathrm{1049}}^1$

素因数の和:1191

約数の個数: 24

約数和(自身を含む): 35280000

約数和(自身を除く): 15722444

約数列:

[1, 2, 4, 59, 79, 118, 158, 236, 316, 1049, 2098, 4196, 4661, 9322, 18644, 61891, 82871, 123782, 165742, 247564, 331484, 4889389, 9778778, 19557556]

約数ペア:

[(1, 19557556), (2, 9778778), (4, 4889389), (59, 331484), (79, 247564), (118, 165742), (158, 123782), (236, 82871), (316, 61891), (1049, 18644), (2098, 9322), (4196, 4661)]