19668964

素因数分解:

$2^2\times 7^1\times {\mathrm{719}}^1\times {\mathrm{977}}^1$

素因数の和:1707

約数の個数: 24

約数和(自身を含む): 39432960

約数和(自身を除く): 19763996

約数列:

[1, 2, 4, 7, 14, 28, 719, 977, 1438, 1954, 2876, 3908, 5033, 6839, 10066, 13678, 20132, 27356, 702463, 1404926, 2809852, 4917241, 9834482, 19668964]

約数ペア:

[(1, 19668964), (2, 9834482), (4, 4917241), (7, 2809852), (14, 1404926), (28, 702463), (719, 27356), (977, 20132), (1438, 13678), (1954, 10066), (2876, 6839), (3908, 5033)]