18974650

素因数分解:

$2^1\times 5^2\times {\mathrm{199}}^1\times {\mathrm{1907}}^1$

素因数の和:2118

約数の個数: 24

約数和(自身を含む): 35488800

約数和(自身を除く): 16514150

約数列:

[1, 2, 5, 10, 25, 50, 199, 398, 995, 1907, 1990, 3814, 4975, 9535, 9950, 19070, 47675, 95350, 379493, 758986, 1897465, 3794930, 9487325, 18974650]

約数ペア:

[(1, 18974650), (2, 9487325), (5, 3794930), (10, 1897465), (25, 758986), (50, 379493), (199, 95350), (398, 47675), (995, 19070), (1907, 9950), (1990, 9535), (3814, 4975)]