19210009372

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{111686101}}^1$

素因数の和:111686148

約数の個数: 12

約数和(自身を含む): 34399319416

約数和(自身を除く): 15189310044

約数列:

[1, 2, 4, 43, 86, 172, 111686101, 223372202, 446744404, 4802502343, 9605004686, 19210009372]

約数ペア:

[(1, 19210009372), (2, 9605004686), (4, 4802502343), (43, 446744404), (86, 223372202), (172, 111686101)]