19915500

素因数分解:

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

素因数の和:121

約数の個数: 192

約数和(自身を含む): 67931136

約数和(自身を除く): 48015636

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 17, 20, 22, 25, 30, 33, 34, 44, 50, 51, 55, 60, 66, 68, 71, 75, 85, 100, 102, 110, 125, 132, 142, 150, 165, 170, 187, 204, 213, 220, 250, 255, 275, 284, 300, 330, 340, 355, 374, 375, 425, 426, 500, 510, 550, 561, 660, 710, 748, 750, 781, 825, 850, 852, 935, 1020, 1065, 1100, 1122, 1207, 1275, 1375, 1420, 1500, 1562, 1650, 1700, 1775, 1870, 2125, 2130, 2244, 2343, 2414, 2550, 2750, 2805, 3124, 3300, 3550, 3621, 3740, 3905, 4125, 4250, 4260, 4675, 4686, 4828, 5100, 5325, 5500, 5610, 6035, 6375, 7100, 7242, 7810, 8250, 8500, 8875, 9350, 9372, 10650, 11220, 11715, 12070, 12750, 13277, 14025, 14484, 15620, 16500, 17750, 18105, 18700, 19525, 21300, 23375, 23430, 24140, 25500, 26554, 26625, 28050, 30175, 35500, 36210, 39050, 39831, 46750, 46860, 53108, 53250, 56100, 58575, 60350, 66385, 70125, 72420, 78100, 79662, 90525, 93500, 97625, 106500, 117150, 120700, 132770, 140250, 150875, 159324, 181050, 195250, 199155, 234300, 265540, 280500, 292875, 301750, 331925, 362100, 390500, 398310, 452625, 585750, 603500, 663850, 796620, 905250, 995775, 1171500, 1327700, 1659625, 1810500, 1991550, 3319250, 3983100, 4978875, 6638500, 9957750, 19915500]

約数ペア:

[(1, 19915500), (2, 9957750), (3, 6638500), (4, 4978875), (5, 3983100), (6, 3319250), (10, 1991550), (11, 1810500), (12, 1659625), (15, 1327700), (17, 1171500), (20, 995775), (22, 905250), (25, 796620), (30, 663850), (33, 603500), (34, 585750), (44, 452625), (50, 398310), (51, 390500), (55, 362100), (60, 331925), (66, 301750), (68, 292875), (71, 280500), (75, 265540), (85, 234300), (100, 199155), (102, 195250), (110, 181050), (125, 159324), (132, 150875), (142, 140250), (150, 132770), (165, 120700), (170, 117150), (187, 106500), (204, 97625), (213, 93500), (220, 90525), (250, 79662), (255, 78100), (275, 72420), (284, 70125), (300, 66385), (330, 60350), (340, 58575), (355, 56100), (374, 53250), (375, 53108), (425, 46860), (426, 46750), (500, 39831), (510, 39050), (550, 36210), (561, 35500), (660, 30175), (710, 28050), (748, 26625), (750, 26554), (781, 25500), (825, 24140), (850, 23430), (852, 23375), (935, 21300), (1020, 19525), (1065, 18700), (1100, 18105), (1122, 17750), (1207, 16500), (1275, 15620), (1375, 14484), (1420, 14025), (1500, 13277), (1562, 12750), (1650, 12070), (1700, 11715), (1775, 11220), (1870, 10650), (2125, 9372), (2130, 9350), (2244, 8875), (2343, 8500), (2414, 8250), (2550, 7810), (2750, 7242), (2805, 7100), (3124, 6375), (3300, 6035), (3550, 5610), (3621, 5500), (3740, 5325), (3905, 5100), (4125, 4828), (4250, 4686), (4260, 4675)]