19822978

素因数分解:

$2^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{9377}}^1$

素因数の和:9537

約数の個数: 16

約数和(自身を含む): 34210944

約数和(自身を除く): 14387966

約数列:

[1, 2, 7, 14, 151, 302, 1057, 2114, 9377, 18754, 65639, 131278, 1415927, 2831854, 9911489, 19822978]

約数ペア:

[(1, 19822978), (2, 9911489), (7, 2831854), (14, 1415927), (151, 131278), (302, 65639), (1057, 18754), (2114, 9377)]