19897906

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{33053}}^1$

素因数の和:33105

約数の個数: 16

約数和(自身を含む): 34905024

約数和(自身を除く): 15007118

約数列:

[1, 2, 7, 14, 43, 86, 301, 602, 33053, 66106, 231371, 462742, 1421279, 2842558, 9948953, 19897906]

約数ペア:

[(1, 19897906), (2, 9948953), (7, 2842558), (14, 1421279), (43, 462742), (86, 231371), (301, 66106), (602, 33053)]