18587800

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1$

素因数の和:122

約数の個数: 192

約数和(自身を含む): 57853440

約数和(自身を除く): 39265640

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 17, 20, 22, 25, 28, 34, 35, 40, 44, 50, 55, 56, 68, 70, 71, 77, 85, 88, 100, 110, 119, 136, 140, 142, 154, 170, 175, 187, 200, 220, 238, 275, 280, 284, 308, 340, 350, 355, 374, 385, 425, 440, 476, 497, 550, 568, 595, 616, 680, 700, 710, 748, 770, 781, 850, 935, 952, 994, 1100, 1190, 1207, 1309, 1400, 1420, 1496, 1540, 1562, 1700, 1775, 1870, 1925, 1988, 2200, 2380, 2414, 2485, 2618, 2840, 2975, 3080, 3124, 3400, 3550, 3740, 3850, 3905, 3976, 4675, 4760, 4828, 4970, 5236, 5467, 5950, 6035, 6248, 6545, 7100, 7480, 7700, 7810, 8449, 9350, 9656, 9940, 10472, 10934, 11900, 12070, 12425, 13090, 13277, 14200, 15400, 15620, 16898, 18700, 19525, 19880, 21868, 23800, 24140, 24850, 26180, 26554, 27335, 30175, 31240, 32725, 33796, 37400, 39050, 42245, 43736, 48280, 49700, 52360, 53108, 54670, 60350, 65450, 66385, 67592, 78100, 84490, 92939, 99400, 106216, 109340, 120700, 130900, 132770, 136675, 156200, 168980, 185878, 211225, 218680, 241400, 261800, 265540, 273350, 331925, 337960, 371756, 422450, 464695, 531080, 546700, 663850, 743512, 844900, 929390, 1093400, 1327700, 1689800, 1858780, 2323475, 2655400, 3717560, 4646950, 9293900, 18587800]

約数ペア:

[(1, 18587800), (2, 9293900), (4, 4646950), (5, 3717560), (7, 2655400), (8, 2323475), (10, 1858780), (11, 1689800), (14, 1327700), (17, 1093400), (20, 929390), (22, 844900), (25, 743512), (28, 663850), (34, 546700), (35, 531080), (40, 464695), (44, 422450), (50, 371756), (55, 337960), (56, 331925), (68, 273350), (70, 265540), (71, 261800), (77, 241400), (85, 218680), (88, 211225), (100, 185878), (110, 168980), (119, 156200), (136, 136675), (140, 132770), (142, 130900), (154, 120700), (170, 109340), (175, 106216), (187, 99400), (200, 92939), (220, 84490), (238, 78100), (275, 67592), (280, 66385), (284, 65450), (308, 60350), (340, 54670), (350, 53108), (355, 52360), (374, 49700), (385, 48280), (425, 43736), (440, 42245), (476, 39050), (497, 37400), (550, 33796), (568, 32725), (595, 31240), (616, 30175), (680, 27335), (700, 26554), (710, 26180), (748, 24850), (770, 24140), (781, 23800), (850, 21868), (935, 19880), (952, 19525), (994, 18700), (1100, 16898), (1190, 15620), (1207, 15400), (1309, 14200), (1400, 13277), (1420, 13090), (1496, 12425), (1540, 12070), (1562, 11900), (1700, 10934), (1775, 10472), (1870, 9940), (1925, 9656), (1988, 9350), (2200, 8449), (2380, 7810), (2414, 7700), (2485, 7480), (2618, 7100), (2840, 6545), (2975, 6248), (3080, 6035), (3124, 5950), (3400, 5467), (3550, 5236), (3740, 4970), (3850, 4828), (3905, 4760), (3976, 4675)]