18760728

素因数分解:

$2^3\times 3^1\times 7^3\times {\mathrm{43}}^1\times {\mathrm{53}}^1$

素因数の和:126

約数の個数: 128

約数和(自身を含む): 57024000

約数和(自身を除く): 38263272

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 43, 49, 53, 56, 84, 86, 98, 106, 129, 147, 159, 168, 172, 196, 212, 258, 294, 301, 318, 343, 344, 371, 392, 424, 516, 588, 602, 636, 686, 742, 903, 1029, 1032, 1113, 1176, 1204, 1272, 1372, 1484, 1806, 2058, 2107, 2226, 2279, 2408, 2597, 2744, 2968, 3612, 4116, 4214, 4452, 4558, 5194, 6321, 6837, 7224, 7791, 8232, 8428, 8904, 9116, 10388, 12642, 13674, 14749, 15582, 15953, 16856, 18179, 18232, 20776, 25284, 27348, 29498, 31164, 31906, 36358, 44247, 47859, 50568, 54537, 54696, 58996, 62328, 63812, 72716, 88494, 95718, 109074, 111671, 117992, 127624, 145432, 176988, 191436, 218148, 223342, 335013, 353976, 382872, 436296, 446684, 670026, 781697, 893368, 1340052, 1563394, 2345091, 2680104, 3126788, 4690182, 6253576, 9380364, 18760728]

約数ペア:

[(1, 18760728), (2, 9380364), (3, 6253576), (4, 4690182), (6, 3126788), (7, 2680104), (8, 2345091), (12, 1563394), (14, 1340052), (21, 893368), (24, 781697), (28, 670026), (42, 446684), (43, 436296), (49, 382872), (53, 353976), (56, 335013), (84, 223342), (86, 218148), (98, 191436), (106, 176988), (129, 145432), (147, 127624), (159, 117992), (168, 111671), (172, 109074), (196, 95718), (212, 88494), (258, 72716), (294, 63812), (301, 62328), (318, 58996), (343, 54696), (344, 54537), (371, 50568), (392, 47859), (424, 44247), (516, 36358), (588, 31906), (602, 31164), (636, 29498), (686, 27348), (742, 25284), (903, 20776), (1029, 18232), (1032, 18179), (1113, 16856), (1176, 15953), (1204, 15582), (1272, 14749), (1372, 13674), (1484, 12642), (1806, 10388), (2058, 9116), (2107, 8904), (2226, 8428), (2279, 8232), (2408, 7791), (2597, 7224), (2744, 6837), (2968, 6321), (3612, 5194), (4116, 4558), (4214, 4452)]