18791136

素因数分解:

$2^5\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1$

素因数の和:278

約数の個数: 192

約数和(自身を含む): 67737600

約数和(自身を除く): 48946464

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 16, 18, 21, 24, 26, 27, 28, 32, 36, 39, 42, 48, 52, 54, 56, 63, 72, 78, 84, 91, 96, 104, 108, 112, 117, 126, 144, 156, 168, 182, 189, 208, 216, 224, 234, 239, 252, 273, 288, 312, 336, 351, 364, 378, 416, 432, 468, 478, 504, 546, 624, 672, 702, 717, 728, 756, 819, 864, 936, 956, 1008, 1092, 1248, 1404, 1434, 1456, 1512, 1638, 1673, 1872, 1912, 2016, 2151, 2184, 2457, 2808, 2868, 2912, 3024, 3107, 3276, 3346, 3744, 3824, 4302, 4368, 4914, 5019, 5616, 5736, 6048, 6214, 6453, 6552, 6692, 7648, 8604, 8736, 9321, 9828, 10038, 11232, 11472, 12428, 12906, 13104, 13384, 15057, 17208, 18642, 19656, 20076, 21749, 22944, 24856, 25812, 26208, 26768, 27963, 30114, 34416, 37284, 39312, 40152, 43498, 45171, 49712, 51624, 53536, 55926, 60228, 65247, 68832, 74568, 78624, 80304, 83889, 86996, 90342, 99424, 103248, 111852, 120456, 130494, 149136, 160608, 167778, 173992, 180684, 195741, 206496, 223704, 240912, 260988, 298272, 335556, 347984, 361368, 391482, 447408, 481824, 521976, 587223, 671112, 695968, 722736, 782964, 894816, 1043952, 1174446, 1342224, 1445472, 1565928, 2087904, 2348892, 2684448, 3131856, 4697784, 6263712, 9395568, 18791136]

約数ペア:

[(1, 18791136), (2, 9395568), (3, 6263712), (4, 4697784), (6, 3131856), (7, 2684448), (8, 2348892), (9, 2087904), (12, 1565928), (13, 1445472), (14, 1342224), (16, 1174446), (18, 1043952), (21, 894816), (24, 782964), (26, 722736), (27, 695968), (28, 671112), (32, 587223), (36, 521976), (39, 481824), (42, 447408), (48, 391482), (52, 361368), (54, 347984), (56, 335556), (63, 298272), (72, 260988), (78, 240912), (84, 223704), (91, 206496), (96, 195741), (104, 180684), (108, 173992), (112, 167778), (117, 160608), (126, 149136), (144, 130494), (156, 120456), (168, 111852), (182, 103248), (189, 99424), (208, 90342), (216, 86996), (224, 83889), (234, 80304), (239, 78624), (252, 74568), (273, 68832), (288, 65247), (312, 60228), (336, 55926), (351, 53536), (364, 51624), (378, 49712), (416, 45171), (432, 43498), (468, 40152), (478, 39312), (504, 37284), (546, 34416), (624, 30114), (672, 27963), (702, 26768), (717, 26208), (728, 25812), (756, 24856), (819, 22944), (864, 21749), (936, 20076), (956, 19656), (1008, 18642), (1092, 17208), (1248, 15057), (1404, 13384), (1434, 13104), (1456, 12906), (1512, 12428), (1638, 11472), (1673, 11232), (1872, 10038), (1912, 9828), (2016, 9321), (2151, 8736), (2184, 8604), (2457, 7648), (2808, 6692), (2868, 6552), (2912, 6453), (3024, 6214), (3107, 6048), (3276, 5736), (3346, 5616), (3744, 5019), (3824, 4914), (4302, 4368)]