19172620

素因数分解:

$2^2\times 5^1\times {\mathrm{193}}^1\times {\mathrm{4967}}^1$

素因数の和:5169

約数の個数: 24

約数和(自身を含む): 40479264

約数和(自身を除く): 21306644

約数列:

[1, 2, 4, 5, 10, 20, 193, 386, 772, 965, 1930, 3860, 4967, 9934, 19868, 24835, 49670, 99340, 958631, 1917262, 3834524, 4793155, 9586310, 19172620]

約数ペア:

[(1, 19172620), (2, 9586310), (4, 4793155), (5, 3834524), (10, 1917262), (20, 958631), (193, 99340), (386, 49670), (772, 24835), (965, 19868), (1930, 9934), (3860, 4967)]