19079125

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{199}}^1$

素因数の和:286

約数の個数: 32

約数和(自身を含む): 26208000

約数和(自身を除く): 7128875

約数列:

[1, 5, 13, 25, 59, 65, 125, 199, 295, 325, 767, 995, 1475, 1625, 2587, 3835, 4975, 7375, 11741, 12935, 19175, 24875, 58705, 64675, 95875, 152633, 293525, 323375, 763165, 1467625, 3815825, 19079125]

約数ペア:

[(1, 19079125), (5, 3815825), (13, 1467625), (25, 763165), (59, 323375), (65, 293525), (125, 152633), (199, 95875), (295, 64675), (325, 58705), (767, 24875), (995, 19175), (1475, 12935), (1625, 11741), (2587, 7375), (3835, 4975)]