18730875

素因数分解:

$3^1\times 5^3\times {\mathrm{199}}^1\times {\mathrm{251}}^1$

素因数の和:468

約数の個数: 32

約数和(自身を含む): 31449600

約数和(自身を除く): 12718725

約数列:

[1, 3, 5, 15, 25, 75, 125, 199, 251, 375, 597, 753, 995, 1255, 2985, 3765, 4975, 6275, 14925, 18825, 24875, 31375, 49949, 74625, 94125, 149847, 249745, 749235, 1248725, 3746175, 6243625, 18730875]

約数ペア:

[(1, 18730875), (3, 6243625), (5, 3746175), (15, 1248725), (25, 749235), (75, 249745), (125, 149847), (199, 94125), (251, 74625), (375, 49949), (597, 31375), (753, 24875), (995, 18825), (1255, 14925), (2985, 6275), (3765, 4975)]