19568740

素因数分解:

$2^2\times 5^1\times {\mathrm{457}}^1\times {\mathrm{2141}}^1$

素因数の和:2607

約数の個数: 24

約数和(自身を含む): 41203512

約数和(自身を除く): 21634772

約数列:

[1, 2, 4, 5, 10, 20, 457, 914, 1828, 2141, 2285, 4282, 4570, 8564, 9140, 10705, 21410, 42820, 978437, 1956874, 3913748, 4892185, 9784370, 19568740]

約数ペア:

[(1, 19568740), (2, 9784370), (4, 4892185), (5, 3913748), (10, 1956874), (20, 978437), (457, 42820), (914, 21410), (1828, 10705), (2141, 9140), (2285, 8564), (4282, 4570)]