19687810

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^2\times {\mathrm{2341}}^1$

素因数の和:2406

約数の個数: 24

約数和(自身を含む): 36717876

約数和(自身を除く): 17030066

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 841, 1682, 2341, 4205, 4682, 8410, 11705, 23410, 67889, 135778, 339445, 678890, 1968781, 3937562, 9843905, 19687810]

約数ペア:

[(1, 19687810), (2, 9843905), (5, 3937562), (10, 1968781), (29, 678890), (58, 339445), (145, 135778), (290, 67889), (841, 23410), (1682, 11705), (2341, 8410), (4205, 4682)]