19786800

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{1499}}^1$

素因数の和:1531

約数の個数: 120

約数和(自身を含む): 69192000

約数和(自身を除く): 49405200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 25, 30, 33, 40, 44, 48, 50, 55, 60, 66, 75, 80, 88, 100, 110, 120, 132, 150, 165, 176, 200, 220, 240, 264, 275, 300, 330, 400, 440, 528, 550, 600, 660, 825, 880, 1100, 1200, 1320, 1499, 1650, 2200, 2640, 2998, 3300, 4400, 4497, 5996, 6600, 7495, 8994, 11992, 13200, 14990, 16489, 17988, 22485, 23984, 29980, 32978, 35976, 37475, 44970, 49467, 59960, 65956, 71952, 74950, 82445, 89940, 98934, 112425, 119920, 131912, 149900, 164890, 179880, 197868, 224850, 247335, 263824, 299800, 329780, 359760, 395736, 412225, 449700, 494670, 599600, 659560, 791472, 824450, 899400, 989340, 1236675, 1319120, 1648900, 1798800, 1978680, 2473350, 3297800, 3957360, 4946700, 6595600, 9893400, 19786800]

約数ペア:

[(1, 19786800), (2, 9893400), (3, 6595600), (4, 4946700), (5, 3957360), (6, 3297800), (8, 2473350), (10, 1978680), (11, 1798800), (12, 1648900), (15, 1319120), (16, 1236675), (20, 989340), (22, 899400), (24, 824450), (25, 791472), (30, 659560), (33, 599600), (40, 494670), (44, 449700), (48, 412225), (50, 395736), (55, 359760), (60, 329780), (66, 299800), (75, 263824), (80, 247335), (88, 224850), (100, 197868), (110, 179880), (120, 164890), (132, 149900), (150, 131912), (165, 119920), (176, 112425), (200, 98934), (220, 89940), (240, 82445), (264, 74950), (275, 71952), (300, 65956), (330, 59960), (400, 49467), (440, 44970), (528, 37475), (550, 35976), (600, 32978), (660, 29980), (825, 23984), (880, 22485), (1100, 17988), (1200, 16489), (1320, 14990), (1499, 13200), (1650, 11992), (2200, 8994), (2640, 7495), (2998, 6600), (3300, 5996), (4400, 4497)]