19294540

素因数分解:

$2^2\times 5^1\times {\mathrm{457}}^1\times {\mathrm{2111}}^1$

素因数の和:2577

約数の個数: 24

約数和(自身を含む): 40626432

約数和(自身を除く): 21331892

約数列:

[1, 2, 4, 5, 10, 20, 457, 914, 1828, 2111, 2285, 4222, 4570, 8444, 9140, 10555, 21110, 42220, 964727, 1929454, 3858908, 4823635, 9647270, 19294540]

約数ペア:

[(1, 19294540), (2, 9647270), (4, 4823635), (5, 3858908), (10, 1929454), (20, 964727), (457, 42220), (914, 21110), (1828, 10555), (2111, 9140), (2285, 8444), (4222, 4570)]