19037420

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{12049}}^1$

素因数の和:12137

約数の個数: 24

約数和(自身を含む): 40488000

約数和(自身を除く): 21450580

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 12049, 24098, 48196, 60245, 120490, 240980, 951871, 1903742, 3807484, 4759355, 9518710, 19037420]

約数ペア:

[(1, 19037420), (2, 9518710), (4, 4759355), (5, 3807484), (10, 1903742), (20, 951871), (79, 240980), (158, 120490), (316, 60245), (395, 48196), (790, 24098), (1580, 12049)]