19037540

素因数分解:

$2^2\times 5^1\times {\mathrm{827}}^1\times {\mathrm{1151}}^1$

素因数の和:1987

約数の個数: 24

約数和(自身を含む): 40061952

約数和(自身を除く): 21024412

約数列:

[1, 2, 4, 5, 10, 20, 827, 1151, 1654, 2302, 3308, 4135, 4604, 5755, 8270, 11510, 16540, 23020, 951877, 1903754, 3807508, 4759385, 9518770, 19037540]

約数ペア:

[(1, 19037540), (2, 9518770), (4, 4759385), (5, 3807508), (10, 1903754), (20, 951877), (827, 23020), (1151, 16540), (1654, 11510), (2302, 8270), (3308, 5755), (4135, 4604)]