18557880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{827}}^1$

素因数の和:869

約数の個数: 128

約数和(自身を含む): 64385280

約数和(自身を除く): 45827400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 17, 20, 22, 24, 30, 33, 34, 40, 44, 51, 55, 60, 66, 68, 85, 88, 102, 110, 120, 132, 136, 165, 170, 187, 204, 220, 255, 264, 330, 340, 374, 408, 440, 510, 561, 660, 680, 748, 827, 935, 1020, 1122, 1320, 1496, 1654, 1870, 2040, 2244, 2481, 2805, 3308, 3740, 4135, 4488, 4962, 5610, 6616, 7480, 8270, 9097, 9924, 11220, 12405, 14059, 16540, 18194, 19848, 22440, 24810, 27291, 28118, 33080, 36388, 42177, 45485, 49620, 54582, 56236, 70295, 72776, 84354, 90970, 99240, 109164, 112472, 136455, 140590, 154649, 168708, 181940, 210885, 218328, 272910, 281180, 309298, 337416, 363880, 421770, 463947, 545820, 562360, 618596, 773245, 843540, 927894, 1091640, 1237192, 1546490, 1687080, 1855788, 2319735, 3092980, 3711576, 4639470, 6185960, 9278940, 18557880]

約数ペア:

[(1, 18557880), (2, 9278940), (3, 6185960), (4, 4639470), (5, 3711576), (6, 3092980), (8, 2319735), (10, 1855788), (11, 1687080), (12, 1546490), (15, 1237192), (17, 1091640), (20, 927894), (22, 843540), (24, 773245), (30, 618596), (33, 562360), (34, 545820), (40, 463947), (44, 421770), (51, 363880), (55, 337416), (60, 309298), (66, 281180), (68, 272910), (85, 218328), (88, 210885), (102, 181940), (110, 168708), (120, 154649), (132, 140590), (136, 136455), (165, 112472), (170, 109164), (187, 99240), (204, 90970), (220, 84354), (255, 72776), (264, 70295), (330, 56236), (340, 54582), (374, 49620), (408, 45485), (440, 42177), (510, 36388), (561, 33080), (660, 28118), (680, 27291), (748, 24810), (827, 22440), (935, 19848), (1020, 18194), (1122, 16540), (1320, 14059), (1496, 12405), (1654, 11220), (1870, 9924), (2040, 9097), (2244, 8270), (2481, 7480), (2805, 6616), (3308, 5610), (3740, 4962), (4135, 4488)]