16719260

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{19441}}^1$

素因数の和:19493

約数の個数: 24

約数和(自身を含む): 35928816

約数和(自身を除く): 19209556

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 19441, 38882, 77764, 97205, 194410, 388820, 835963, 1671926, 3343852, 4179815, 8359630, 16719260]

約数ペア:

[(1, 16719260), (2, 8359630), (4, 4179815), (5, 3343852), (10, 1671926), (20, 835963), (43, 388820), (86, 194410), (172, 97205), (215, 77764), (430, 38882), (860, 19441)]