19888256

素因数分解:

$2^7\times {\mathrm{155377}}^1$

素因数の和:155391

約数の個数: 16

約数和(自身を含む): 39621390

約数和(自身を除く): 19733134

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 155377, 310754, 621508, 1243016, 2486032, 4972064, 9944128, 19888256]

約数ペア:

[(1, 19888256), (2, 9944128), (4, 4972064), (8, 2486032), (16, 1243016), (32, 621508), (64, 310754), (128, 155377)]