19897288

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{80231}}^1$

素因数の和:80268

約数の個数: 16

約数和(自身を含む): 38511360

約数和(自身を除く): 18614072

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 80231, 160462, 320924, 641848, 2487161, 4974322, 9948644, 19897288]

約数ペア:

[(1, 19897288), (2, 9948644), (4, 4974322), (8, 2487161), (31, 641848), (62, 320924), (124, 160462), (248, 80231)]