19147340

素因数分解:

$2^2\times 5^1\times {\mathrm{281}}^1\times {\mathrm{3407}}^1$

素因数の和:3697

約数の個数: 24

約数和(自身を含む): 40364352

約数和(自身を除く): 21217012

約数列:

[1, 2, 4, 5, 10, 20, 281, 562, 1124, 1405, 2810, 3407, 5620, 6814, 13628, 17035, 34070, 68140, 957367, 1914734, 3829468, 4786835, 9573670, 19147340]

約数ペア:

[(1, 19147340), (2, 9573670), (4, 4786835), (5, 3829468), (10, 1914734), (20, 957367), (281, 68140), (562, 34070), (1124, 17035), (1405, 13628), (2810, 6814), (3407, 5620)]