19888592

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{65423}}^1$

素因数の和:65450

約数の個数: 20

約数和(自身を含む): 40562880

約数和(自身を除く): 20674288

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 65423, 130846, 261692, 523384, 1046768, 1243037, 2486074, 4972148, 9944296, 19888592]

約数ペア:

[(1, 19888592), (2, 9944296), (4, 4972148), (8, 2486074), (16, 1243037), (19, 1046768), (38, 523384), (76, 261692), (152, 130846), (304, 65423)]