18669782

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{199}}^1\times {\mathrm{769}}^1$

素因数の和:1031

約数の個数: 16

約数和(自身を含む): 28644000

約数和(自身を除く): 9974218

約数列:

[1, 2, 61, 122, 199, 398, 769, 1538, 12139, 24278, 46909, 93818, 153031, 306062, 9334891, 18669782]

約数ペア:

[(1, 18669782), (2, 9334891), (61, 306062), (122, 153031), (199, 93818), (398, 46909), (769, 24278), (1538, 12139)]