18898000

素因数分解:

$2^4\times 5^3\times {\mathrm{11}}^1\times {\mathrm{859}}^1$

素因数の和:893

約数の個数: 80

約数和(自身を含む): 49907520

約数和(自身を除く): 31009520

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 44, 50, 55, 80, 88, 100, 110, 125, 176, 200, 220, 250, 275, 400, 440, 500, 550, 859, 880, 1000, 1100, 1375, 1718, 2000, 2200, 2750, 3436, 4295, 4400, 5500, 6872, 8590, 9449, 11000, 13744, 17180, 18898, 21475, 22000, 34360, 37796, 42950, 47245, 68720, 75592, 85900, 94490, 107375, 151184, 171800, 188980, 214750, 236225, 343600, 377960, 429500, 472450, 755920, 859000, 944900, 1181125, 1718000, 1889800, 2362250, 3779600, 4724500, 9449000, 18898000]

約数ペア:

[(1, 18898000), (2, 9449000), (4, 4724500), (5, 3779600), (8, 2362250), (10, 1889800), (11, 1718000), (16, 1181125), (20, 944900), (22, 859000), (25, 755920), (40, 472450), (44, 429500), (50, 377960), (55, 343600), (80, 236225), (88, 214750), (100, 188980), (110, 171800), (125, 151184), (176, 107375), (200, 94490), (220, 85900), (250, 75592), (275, 68720), (400, 47245), (440, 42950), (500, 37796), (550, 34360), (859, 22000), (880, 21475), (1000, 18898), (1100, 17180), (1375, 13744), (1718, 11000), (2000, 9449), (2200, 8590), (2750, 6872), (3436, 5500), (4295, 4400)]