19311580

素因数分解:

$2^2\times 5^1\times {\mathrm{193}}^1\times {\mathrm{5003}}^1$

素因数の和:5205

約数の個数: 24

約数和(自身を含む): 40772592

約数和(自身を除く): 21461012

約数列:

[1, 2, 4, 5, 10, 20, 193, 386, 772, 965, 1930, 3860, 5003, 10006, 20012, 25015, 50030, 100060, 965579, 1931158, 3862316, 4827895, 9655790, 19311580]

約数ペア:

[(1, 19311580), (2, 9655790), (4, 4827895), (5, 3862316), (10, 1931158), (20, 965579), (193, 100060), (386, 50030), (772, 25015), (965, 20012), (1930, 10006), (3860, 5003)]