19291240

素因数分解:

$2^3\times 5^1\times {\mathrm{482281}}^1$

素因数の和:482292

約数の個数: 16

約数和(自身を含む): 43405380

約数和(自身を除く): 24114140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 482281, 964562, 1929124, 2411405, 3858248, 4822810, 9645620, 19291240]

約数ペア:

[(1, 19291240), (2, 9645620), (4, 4822810), (5, 3858248), (8, 2411405), (10, 1929124), (20, 964562), (40, 482281)]