19297020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{321617}}^1$

素因数の和:321629

約数の個数: 24

約数和(自身を含む): 54031824

約数和(自身を除く): 34734804

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 321617, 643234, 964851, 1286468, 1608085, 1929702, 3216170, 3859404, 4824255, 6432340, 9648510, 19297020]

約数ペア:

[(1, 19297020), (2, 9648510), (3, 6432340), (4, 4824255), (5, 3859404), (6, 3216170), (10, 1929702), (12, 1608085), (15, 1286468), (20, 964851), (30, 643234), (60, 321617)]