19505174

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{11197}}^1$

素因数の和:11279

約数の個数: 16

約数和(自身を含む): 31981488

約数和(自身を除く): 12476314

約数列:

[1, 2, 13, 26, 67, 134, 871, 1742, 11197, 22394, 145561, 291122, 750199, 1500398, 9752587, 19505174]

約数ペア:

[(1, 19505174), (2, 9752587), (13, 1500398), (26, 750199), (67, 291122), (134, 145561), (871, 22394), (1742, 11197)]