19715456

素因数分解:

$2^7\times {\mathrm{154027}}^1$

素因数の和:154041

約数の個数: 16

約数和(自身を含む): 39277140

約数和(自身を除く): 19561684

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 154027, 308054, 616108, 1232216, 2464432, 4928864, 9857728, 19715456]

約数ペア:

[(1, 19715456), (2, 9857728), (4, 4928864), (8, 2464432), (16, 1232216), (32, 616108), (64, 308054), (128, 154027)]