19028540

素因数分解:

$2^2\times 5^1\times {\mathrm{951427}}^1$

素因数の和:951436

約数の個数: 12

約数和(自身を含む): 39959976

約数和(自身を除く): 20931436

約数列:

[1, 2, 4, 5, 10, 20, 951427, 1902854, 3805708, 4757135, 9514270, 19028540]

約数ペア:

[(1, 19028540), (2, 9514270), (4, 4757135), (5, 3805708), (10, 1902854), (20, 951427)]