18929121812

素因数分解:

$2^2\times {\mathrm{109}}^1\times {\mathrm{43415417}}^1$

素因数の和:43415530

約数の個数: 12

約数和(自身を含む): 33429871860

約数和(自身を除く): 14500750048

約数列:

[1, 2, 4, 109, 218, 436, 43415417, 86830834, 173661668, 4732280453, 9464560906, 18929121812]

約数ペア:

[(1, 18929121812), (2, 9464560906), (4, 4732280453), (109, 173661668), (218, 86830834), (436, 43415417)]