19795180

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^2\times {\mathrm{1871}}^1$

素因数の和:1926

約数の個数: 36

約数和(自身を含む): 43479072

約数和(自身を除く): 23683892

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 529, 1058, 1871, 2116, 2645, 3742, 5290, 7484, 9355, 10580, 18710, 37420, 43033, 86066, 172132, 215165, 430330, 860660, 989759, 1979518, 3959036, 4948795, 9897590, 19795180]

約数ペア:

[(1, 19795180), (2, 9897590), (4, 4948795), (5, 3959036), (10, 1979518), (20, 989759), (23, 860660), (46, 430330), (92, 215165), (115, 172132), (230, 86066), (460, 43033), (529, 37420), (1058, 18710), (1871, 10580), (2116, 9355), (2645, 7484), (3742, 5290)]