19995946048

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{3631}}^1\times {\mathrm{6619}}^1$

素因数の和:10275

約数の個数: 56

約数和(自身を含む): 42749947520

約数和(自身を除く): 22754001472

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 208, 416, 832, 3631, 6619, 7262, 13238, 14524, 26476, 29048, 47203, 52952, 58096, 86047, 94406, 105904, 116192, 172094, 188812, 211808, 232384, 344188, 377624, 423616, 688376, 755248, 1376752, 1510496, 2753504, 3020992, 5507008, 24033589, 48067178, 96134356, 192268712, 312436657, 384537424, 624873314, 769074848, 1249746628, 1538149696, 2499493256, 4998986512, 9997973024, 19995946048]

約数ペア:

[(1, 19995946048), (2, 9997973024), (4, 4998986512), (8, 2499493256), (13, 1538149696), (16, 1249746628), (26, 769074848), (32, 624873314), (52, 384537424), (64, 312436657), (104, 192268712), (208, 96134356), (416, 48067178), (832, 24033589), (3631, 5507008), (6619, 3020992), (7262, 2753504), (13238, 1510496), (14524, 1376752), (26476, 755248), (29048, 688376), (47203, 423616), (52952, 377624), (58096, 344188), (86047, 232384), (94406, 211808), (105904, 188812), (116192, 172094)]