19913930

素因数分解:

$2^1\times 5^1\times {\mathrm{199}}^1\times {\mathrm{10007}}^1$

素因数の和:10213

約数の個数: 16

約数和(自身を含む): 36028800

約数和(自身を除く): 16114870

約数列:

[1, 2, 5, 10, 199, 398, 995, 1990, 10007, 20014, 50035, 100070, 1991393, 3982786, 9956965, 19913930]

約数ペア:

[(1, 19913930), (2, 9956965), (5, 3982786), (10, 1991393), (199, 100070), (398, 50035), (995, 20014), (1990, 10007)]