19497020

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{8627}}^1$

素因数の和:8749

約数の個数: 24

約数和(自身を含む): 41310864

約数和(自身を除く): 21813844

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 1130, 2260, 8627, 17254, 34508, 43135, 86270, 172540, 974851, 1949702, 3899404, 4874255, 9748510, 19497020]

約数ペア:

[(1, 19497020), (2, 9748510), (4, 4874255), (5, 3899404), (10, 1949702), (20, 974851), (113, 172540), (226, 86270), (452, 43135), (565, 34508), (1130, 17254), (2260, 8627)]