18927375

素因数分解:

$3^1\times 5^3\times {\mathrm{17}}^1\times {\mathrm{2969}}^1$

素因数の和:3004

約数の個数: 32

約数和(自身を含む): 33359040

約数和(自身を除く): 14431665

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 125, 255, 375, 425, 1275, 2125, 2969, 6375, 8907, 14845, 44535, 50473, 74225, 151419, 222675, 252365, 371125, 757095, 1113375, 1261825, 3785475, 6309125, 18927375]

約数ペア:

[(1, 18927375), (3, 6309125), (5, 3785475), (15, 1261825), (17, 1113375), (25, 757095), (51, 371125), (75, 252365), (85, 222675), (125, 151419), (255, 74225), (375, 50473), (425, 44535), (1275, 14845), (2125, 8907), (2969, 6375)]