19820876616

素因数分解:

$2^3\times 3^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{256561}}^1$

素因数の和:256639

約数の個数: 96

約数和(自身を含む): 57033732600

約数和(自身を除く): 37212855984

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 29, 36, 37, 58, 72, 74, 87, 111, 116, 148, 174, 222, 232, 261, 296, 333, 348, 444, 522, 666, 696, 888, 1044, 1073, 1332, 2088, 2146, 2664, 3219, 4292, 6438, 8584, 9657, 12876, 19314, 25752, 38628, 77256, 256561, 513122, 769683, 1026244, 1539366, 2052488, 2309049, 3078732, 4618098, 6157464, 7440269, 9236196, 9492757, 14880538, 18472392, 18985514, 22320807, 28478271, 29761076, 37971028, 44641614, 56956542, 59522152, 66962421, 75942056, 85434813, 89283228, 113913084, 133924842, 170869626, 178566456, 227826168, 267849684, 275289953, 341739252, 535699368, 550579906, 683478504, 825869859, 1101159812, 1651739718, 2202319624, 2477609577, 3303479436, 4955219154, 6606958872, 9910438308, 19820876616]

約数ペア:

[(1, 19820876616), (2, 9910438308), (3, 6606958872), (4, 4955219154), (6, 3303479436), (8, 2477609577), (9, 2202319624), (12, 1651739718), (18, 1101159812), (24, 825869859), (29, 683478504), (36, 550579906), (37, 535699368), (58, 341739252), (72, 275289953), (74, 267849684), (87, 227826168), (111, 178566456), (116, 170869626), (148, 133924842), (174, 113913084), (222, 89283228), (232, 85434813), (261, 75942056), (296, 66962421), (333, 59522152), (348, 56956542), (444, 44641614), (522, 37971028), (666, 29761076), (696, 28478271), (888, 22320807), (1044, 18985514), (1073, 18472392), (1332, 14880538), (2088, 9492757), (2146, 9236196), (2664, 7440269), (3219, 6157464), (4292, 4618098), (6438, 3078732), (8584, 2309049), (9657, 2052488), (12876, 1539366), (19314, 1026244), (25752, 769683), (38628, 513122), (77256, 256561)]