18909000

素因数分解:

$2^3\times 3^2\times 5^3\times {\mathrm{11}}^1\times {\mathrm{191}}^1$

素因数の和:229

約数の個数: 192

約数和(自身を含む): 70087680

約数和(自身を除く): 51178680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 25, 30, 33, 36, 40, 44, 45, 50, 55, 60, 66, 72, 75, 88, 90, 99, 100, 110, 120, 125, 132, 150, 165, 180, 191, 198, 200, 220, 225, 250, 264, 275, 300, 330, 360, 375, 382, 396, 440, 450, 495, 500, 550, 573, 600, 660, 750, 764, 792, 825, 900, 955, 990, 1000, 1100, 1125, 1146, 1320, 1375, 1500, 1528, 1650, 1719, 1800, 1910, 1980, 2101, 2200, 2250, 2292, 2475, 2750, 2865, 3000, 3300, 3438, 3820, 3960, 4125, 4202, 4500, 4584, 4775, 4950, 5500, 5730, 6303, 6600, 6876, 7640, 8250, 8404, 8595, 9000, 9550, 9900, 10505, 11000, 11460, 12375, 12606, 13752, 14325, 16500, 16808, 17190, 18909, 19100, 19800, 21010, 22920, 23875, 24750, 25212, 28650, 31515, 33000, 34380, 37818, 38200, 42020, 42975, 47750, 49500, 50424, 52525, 57300, 63030, 68760, 71625, 75636, 84040, 85950, 94545, 95500, 99000, 105050, 114600, 126060, 143250, 151272, 157575, 171900, 189090, 191000, 210100, 214875, 252120, 262625, 286500, 315150, 343800, 378180, 420200, 429750, 472725, 525250, 573000, 630300, 756360, 787875, 859500, 945450, 1050500, 1260600, 1575750, 1719000, 1890900, 2101000, 2363625, 3151500, 3781800, 4727250, 6303000, 9454500, 18909000]

約数ペア:

[(1, 18909000), (2, 9454500), (3, 6303000), (4, 4727250), (5, 3781800), (6, 3151500), (8, 2363625), (9, 2101000), (10, 1890900), (11, 1719000), (12, 1575750), (15, 1260600), (18, 1050500), (20, 945450), (22, 859500), (24, 787875), (25, 756360), (30, 630300), (33, 573000), (36, 525250), (40, 472725), (44, 429750), (45, 420200), (50, 378180), (55, 343800), (60, 315150), (66, 286500), (72, 262625), (75, 252120), (88, 214875), (90, 210100), (99, 191000), (100, 189090), (110, 171900), (120, 157575), (125, 151272), (132, 143250), (150, 126060), (165, 114600), (180, 105050), (191, 99000), (198, 95500), (200, 94545), (220, 85950), (225, 84040), (250, 75636), (264, 71625), (275, 68760), (300, 63030), (330, 57300), (360, 52525), (375, 50424), (382, 49500), (396, 47750), (440, 42975), (450, 42020), (495, 38200), (500, 37818), (550, 34380), (573, 33000), (600, 31515), (660, 28650), (750, 25212), (764, 24750), (792, 23875), (825, 22920), (900, 21010), (955, 19800), (990, 19100), (1000, 18909), (1100, 17190), (1125, 16808), (1146, 16500), (1320, 14325), (1375, 13752), (1500, 12606), (1528, 12375), (1650, 11460), (1719, 11000), (1800, 10505), (1910, 9900), (1980, 9550), (2101, 9000), (2200, 8595), (2250, 8404), (2292, 8250), (2475, 7640), (2750, 6876), (2865, 6600), (3000, 6303), (3300, 5730), (3438, 5500), (3820, 4950), (3960, 4775), (4125, 4584), (4202, 4500)]