19235080

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{2441}}^1$

素因数の和:2649

約数の個数: 32

約数和(自身を含む): 43516440

約数和(自身を除く): 24281360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 394, 788, 985, 1576, 1970, 2441, 3940, 4882, 7880, 9764, 12205, 19528, 24410, 48820, 97640, 480877, 961754, 1923508, 2404385, 3847016, 4808770, 9617540, 19235080]

約数ペア:

[(1, 19235080), (2, 9617540), (4, 4808770), (5, 3847016), (8, 2404385), (10, 1923508), (20, 961754), (40, 480877), (197, 97640), (394, 48820), (788, 24410), (985, 19528), (1576, 12205), (1970, 9764), (2441, 7880), (3940, 4882)]