19756000

素因数分解:

$2^5\times 5^3\times {\mathrm{11}}^1\times {\mathrm{449}}^1$

素因数の和:485

約数の個数: 96

約数和(自身を含む): 53071200

約数和(自身を除く): 33315200

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 44, 50, 55, 80, 88, 100, 110, 125, 160, 176, 200, 220, 250, 275, 352, 400, 440, 449, 500, 550, 800, 880, 898, 1000, 1100, 1375, 1760, 1796, 2000, 2200, 2245, 2750, 3592, 4000, 4400, 4490, 4939, 5500, 7184, 8800, 8980, 9878, 11000, 11225, 14368, 17960, 19756, 22000, 22450, 24695, 35920, 39512, 44000, 44900, 49390, 56125, 71840, 79024, 89800, 98780, 112250, 123475, 158048, 179600, 197560, 224500, 246950, 359200, 395120, 449000, 493900, 617375, 790240, 898000, 987800, 1234750, 1796000, 1975600, 2469500, 3951200, 4939000, 9878000, 19756000]

約数ペア:

[(1, 19756000), (2, 9878000), (4, 4939000), (5, 3951200), (8, 2469500), (10, 1975600), (11, 1796000), (16, 1234750), (20, 987800), (22, 898000), (25, 790240), (32, 617375), (40, 493900), (44, 449000), (50, 395120), (55, 359200), (80, 246950), (88, 224500), (100, 197560), (110, 179600), (125, 158048), (160, 123475), (176, 112250), (200, 98780), (220, 89800), (250, 79024), (275, 71840), (352, 56125), (400, 49390), (440, 44900), (449, 44000), (500, 39512), (550, 35920), (800, 24695), (880, 22450), (898, 22000), (1000, 19756), (1100, 17960), (1375, 14368), (1760, 11225), (1796, 11000), (2000, 9878), (2200, 8980), (2245, 8800), (2750, 7184), (3592, 5500), (4000, 4939), (4400, 4490)]