19268540

素因数分解:

$2^2\times 5^1\times {\mathrm{963427}}^1$

素因数の和:963436

約数の個数: 12

約数和(自身を含む): 40463976

約数和(自身を除く): 21195436

約数列:

[1, 2, 4, 5, 10, 20, 963427, 1926854, 3853708, 4817135, 9634270, 19268540]

約数ペア:

[(1, 19268540), (2, 9634270), (4, 4817135), (5, 3853708), (10, 1926854), (20, 963427)]