19007540

素因数分解:

$2^2\times 5^1\times {\mathrm{269}}^1\times {\mathrm{3533}}^1$

素因数の和:3811

約数の個数: 24

約数和(自身を含む): 40075560

約数和(自身を除く): 21068020

約数列:

[1, 2, 4, 5, 10, 20, 269, 538, 1076, 1345, 2690, 3533, 5380, 7066, 14132, 17665, 35330, 70660, 950377, 1900754, 3801508, 4751885, 9503770, 19007540]

約数ペア:

[(1, 19007540), (2, 9503770), (4, 4751885), (5, 3801508), (10, 1900754), (20, 950377), (269, 70660), (538, 35330), (1076, 17665), (1345, 14132), (2690, 7066), (3533, 5380)]