18927360

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1$

素因数の和:111

約数の個数: 216

約数和(自身を含む): 68874624

約数和(自身を除く): 49947264

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 32, 36, 40, 45, 48, 53, 60, 62, 64, 72, 80, 90, 93, 96, 106, 120, 124, 128, 144, 155, 159, 160, 180, 186, 192, 212, 240, 248, 256, 265, 279, 288, 310, 318, 320, 360, 372, 384, 424, 465, 477, 480, 496, 530, 558, 576, 620, 636, 640, 720, 744, 768, 795, 848, 930, 954, 960, 992, 1060, 1116, 1152, 1240, 1272, 1280, 1395, 1440, 1488, 1590, 1643, 1696, 1860, 1908, 1920, 1984, 2120, 2232, 2304, 2385, 2480, 2544, 2790, 2880, 2976, 3180, 3286, 3392, 3720, 3816, 3840, 3968, 4240, 4464, 4770, 4929, 4960, 5088, 5580, 5760, 5952, 6360, 6572, 6784, 7440, 7632, 7936, 8215, 8480, 8928, 9540, 9858, 9920, 10176, 11160, 11520, 11904, 12720, 13144, 13568, 14787, 14880, 15264, 16430, 16960, 17856, 19080, 19716, 19840, 20352, 22320, 23808, 24645, 25440, 26288, 29574, 29760, 30528, 32860, 33920, 35712, 38160, 39432, 39680, 40704, 44640, 49290, 50880, 52576, 59148, 59520, 61056, 65720, 67840, 71424, 73935, 76320, 78864, 89280, 98580, 101760, 105152, 118296, 119040, 122112, 131440, 147870, 152640, 157728, 178560, 197160, 203520, 210304, 236592, 262880, 295740, 305280, 315456, 357120, 394320, 420608, 473184, 525760, 591480, 610560, 630912, 788640, 946368, 1051520, 1182960, 1261824, 1577280, 1892736, 2103040, 2365920, 3154560, 3785472, 4731840, 6309120, 9463680, 18927360]

約数ペア:

[(1, 18927360), (2, 9463680), (3, 6309120), (4, 4731840), (5, 3785472), (6, 3154560), (8, 2365920), (9, 2103040), (10, 1892736), (12, 1577280), (15, 1261824), (16, 1182960), (18, 1051520), (20, 946368), (24, 788640), (30, 630912), (31, 610560), (32, 591480), (36, 525760), (40, 473184), (45, 420608), (48, 394320), (53, 357120), (60, 315456), (62, 305280), (64, 295740), (72, 262880), (80, 236592), (90, 210304), (93, 203520), (96, 197160), (106, 178560), (120, 157728), (124, 152640), (128, 147870), (144, 131440), (155, 122112), (159, 119040), (160, 118296), (180, 105152), (186, 101760), (192, 98580), (212, 89280), (240, 78864), (248, 76320), (256, 73935), (265, 71424), (279, 67840), (288, 65720), (310, 61056), (318, 59520), (320, 59148), (360, 52576), (372, 50880), (384, 49290), (424, 44640), (465, 40704), (477, 39680), (480, 39432), (496, 38160), (530, 35712), (558, 33920), (576, 32860), (620, 30528), (636, 29760), (640, 29574), (720, 26288), (744, 25440), (768, 24645), (795, 23808), (848, 22320), (930, 20352), (954, 19840), (960, 19716), (992, 19080), (1060, 17856), (1116, 16960), (1152, 16430), (1240, 15264), (1272, 14880), (1280, 14787), (1395, 13568), (1440, 13144), (1488, 12720), (1590, 11904), (1643, 11520), (1696, 11160), (1860, 10176), (1908, 9920), (1920, 9858), (1984, 9540), (2120, 8928), (2232, 8480), (2304, 8215), (2385, 7936), (2480, 7632), (2544, 7440), (2790, 6784), (2880, 6572), (2976, 6360), (3180, 5952), (3286, 5760), (3392, 5580), (3720, 5088), (3816, 4960), (3840, 4929), (3968, 4770), (4240, 4464)]