19573875

素因数分解:

$3^2\times 5^3\times {\mathrm{127}}^1\times {\mathrm{137}}^1$

素因数の和:285

約数の個数: 48

約数和(自身を含む): 35822592

約数和(自身を除く): 16248717

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 125, 127, 137, 225, 375, 381, 411, 635, 685, 1125, 1143, 1233, 1905, 2055, 3175, 3425, 5715, 6165, 9525, 10275, 15875, 17125, 17399, 28575, 30825, 47625, 51375, 52197, 86995, 142875, 154125, 156591, 260985, 434975, 782955, 1304925, 2174875, 3914775, 6524625, 19573875]

約数ペア:

[(1, 19573875), (3, 6524625), (5, 3914775), (9, 2174875), (15, 1304925), (25, 782955), (45, 434975), (75, 260985), (125, 156591), (127, 154125), (137, 142875), (225, 86995), (375, 52197), (381, 51375), (411, 47625), (635, 30825), (685, 28575), (1125, 17399), (1143, 17125), (1233, 15875), (1905, 10275), (2055, 9525), (3175, 6165), (3425, 5715)]