19507970

素因数分解:

$2^1\times 5^1\times {\mathrm{199}}^1\times {\mathrm{9803}}^1$

素因数の和:10009

約数の個数: 16

約数和(自身を含む): 35294400

約数和(自身を除く): 15786430

約数列:

[1, 2, 5, 10, 199, 398, 995, 1990, 9803, 19606, 49015, 98030, 1950797, 3901594, 9753985, 19507970]

約数ペア:

[(1, 19507970), (2, 9753985), (5, 3901594), (10, 1950797), (199, 98030), (398, 49015), (995, 19606), (1990, 9803)]