19236020

素因数分解:

$2^2\times 5^1\times {\mathrm{827}}^1\times {\mathrm{1163}}^1$

素因数の和:1999

約数の個数: 24

約数和(自身を含む): 40479264

約数和(自身を除く): 21243244

約数列:

[1, 2, 4, 5, 10, 20, 827, 1163, 1654, 2326, 3308, 4135, 4652, 5815, 8270, 11630, 16540, 23260, 961801, 1923602, 3847204, 4809005, 9618010, 19236020]

約数ペア:

[(1, 19236020), (2, 9618010), (4, 4809005), (5, 3847204), (10, 1923602), (20, 961801), (827, 23260), (1163, 16540), (1654, 11630), (2326, 8270), (3308, 5815), (4135, 4652)]