19321420

素因数分解:

$2^2\times 5^1\times {\mathrm{379}}^1\times {\mathrm{2549}}^1$

素因数の和:2937

約数の個数: 24

約数和(自身を含む): 40698000

約数和(自身を除く): 21376580

約数列:

[1, 2, 4, 5, 10, 20, 379, 758, 1516, 1895, 2549, 3790, 5098, 7580, 10196, 12745, 25490, 50980, 966071, 1932142, 3864284, 4830355, 9660710, 19321420]

約数ペア:

[(1, 19321420), (2, 9660710), (4, 4830355), (5, 3864284), (10, 1932142), (20, 966071), (379, 50980), (758, 25490), (1516, 12745), (1895, 10196), (2549, 7580), (3790, 5098)]