19888768

素因数分解:

$2^7\times {\mathrm{155381}}^1$

素因数の和:155395

約数の個数: 16

約数和(自身を含む): 39622410

約数和(自身を除く): 19733642

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 155381, 310762, 621524, 1243048, 2486096, 4972192, 9944384, 19888768]

約数ペア:

[(1, 19888768), (2, 9944384), (4, 4972192), (8, 2486096), (16, 1243048), (32, 621524), (64, 310762), (128, 155381)]