19668530

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{280979}}^1$

素因数の和:280993

約数の個数: 16

約数和(自身を含む): 40461120

約数和(自身を除く): 20792590

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 280979, 561958, 1404895, 1966853, 2809790, 3933706, 9834265, 19668530]

約数ペア:

[(1, 19668530), (2, 9834265), (5, 3933706), (7, 2809790), (10, 1966853), (14, 1404895), (35, 561958), (70, 280979)]