19391256

素因数分解:

$2^3\times 3^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{251}}^1$

素因数の和:329

約数の個数: 96

約数和(自身を含む): 56019600

約数和(自身を除く): 36628344

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, 251, 261, 296, 333, 348, 444, 502, 522, 666, 696, 753, 888, 1004, 1044, 1073, 1332, 1506, 2008, 2088, 2146, 2259, 2664, 3012, 3219, 4292, 4518, 6024, 6438, 7279, 8584, 9036, 9287, 9657, 12876, 14558, 18072, 18574, 19314, 21837, 25752, 27861, 29116, 37148, 38628, 43674, 55722, 58232, 65511, 74296, 77256, 83583, 87348, 111444, 131022, 167166, 174696, 222888, 262044, 269323, 334332, 524088, 538646, 668664, 807969, 1077292, 1615938, 2154584, 2423907, 3231876, 4847814, 6463752, 9695628, 19391256]

約数ペア:

[(1, 19391256), (2, 9695628), (3, 6463752), (4, 4847814), (6, 3231876), (8, 2423907), (9, 2154584), (12, 1615938), (18, 1077292), (24, 807969), (29, 668664), (36, 538646), (37, 524088), (58, 334332), (72, 269323), (74, 262044), (87, 222888), (111, 174696), (116, 167166), (148, 131022), (174, 111444), (222, 87348), (232, 83583), (251, 77256), (261, 74296), (296, 65511), (333, 58232), (348, 55722), (444, 43674), (502, 38628), (522, 37148), (666, 29116), (696, 27861), (753, 25752), (888, 21837), (1004, 19314), (1044, 18574), (1073, 18072), (1332, 14558), (1506, 12876), (2008, 9657), (2088, 9287), (2146, 9036), (2259, 8584), (2664, 7279), (3012, 6438), (3219, 6024), (4292, 4518)]