19665212

素因数分解:

$2^2\times 7^1\times {\mathrm{702329}}^1$

素因数の和:702340

約数の個数: 12

約数和(自身を含む): 39330480

約数和(自身を除く): 19665268

約数列:

[1, 2, 4, 7, 14, 28, 702329, 1404658, 2809316, 4916303, 9832606, 19665212]

約数ペア:

[(1, 19665212), (2, 9832606), (4, 4916303), (7, 2809316), (14, 1404658), (28, 702329)]