19604320

素因数分解:

$2^5\times 5^1\times {\mathrm{122527}}^1$

素因数の和:122542

約数の個数: 24

約数和(自身を含む): 46315584

約数和(自身を除く): 26711264

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 122527, 245054, 490108, 612635, 980216, 1225270, 1960432, 2450540, 3920864, 4901080, 9802160, 19604320]

約数ペア:

[(1, 19604320), (2, 9802160), (4, 4901080), (5, 3920864), (8, 2450540), (10, 1960432), (16, 1225270), (20, 980216), (32, 612635), (40, 490108), (80, 245054), (160, 122527)]