19541260

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^2\times {\mathrm{1847}}^1$

素因数の和:1902

約数の個数: 36

約数和(自身を含む): 42921648

約数和(自身を除く): 23380388

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 529, 1058, 1847, 2116, 2645, 3694, 5290, 7388, 9235, 10580, 18470, 36940, 42481, 84962, 169924, 212405, 424810, 849620, 977063, 1954126, 3908252, 4885315, 9770630, 19541260]

約数ペア:

[(1, 19541260), (2, 9770630), (4, 4885315), (5, 3908252), (10, 1954126), (20, 977063), (23, 849620), (46, 424810), (92, 212405), (115, 169924), (230, 84962), (460, 42481), (529, 36940), (1058, 18470), (1847, 10580), (2116, 9235), (2645, 7388), (3694, 5290)]