19903968896

素因数分解:

$2^7\times 7^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{23557}}^1$

素因数の和:23642

約数の個数: 128

約数和(自身を含む): 48442786560

約数和(自身を除く): 28538817664

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 32, 41, 46, 56, 64, 82, 92, 112, 128, 161, 164, 184, 224, 287, 322, 328, 368, 448, 574, 644, 656, 736, 896, 943, 1148, 1288, 1312, 1472, 1886, 2296, 2576, 2624, 2944, 3772, 4592, 5152, 5248, 6601, 7544, 9184, 10304, 13202, 15088, 18368, 20608, 23557, 26404, 30176, 36736, 47114, 52808, 60352, 94228, 105616, 120704, 164899, 188456, 211232, 329798, 376912, 422464, 541811, 659596, 753824, 844928, 965837, 1083622, 1319192, 1507648, 1931674, 2167244, 2638384, 3015296, 3792677, 3863348, 4334488, 5276768, 6760859, 7585354, 7726696, 8668976, 10553536, 13521718, 15170708, 15453392, 17337952, 21107072, 22214251, 27043436, 30341416, 30906784, 34675904, 44428502, 54086872, 60682832, 61813568, 69351808, 88857004, 108173744, 121365664, 123627136, 155499757, 177714008, 216347488, 242731328, 310999514, 355428016, 432694976, 485462656, 621999028, 710856032, 865389952, 1243998056, 1421712064, 2487996112, 2843424128, 4975992224, 9951984448, 19903968896]

約数ペア:

[(1, 19903968896), (2, 9951984448), (4, 4975992224), (7, 2843424128), (8, 2487996112), (14, 1421712064), (16, 1243998056), (23, 865389952), (28, 710856032), (32, 621999028), (41, 485462656), (46, 432694976), (56, 355428016), (64, 310999514), (82, 242731328), (92, 216347488), (112, 177714008), (128, 155499757), (161, 123627136), (164, 121365664), (184, 108173744), (224, 88857004), (287, 69351808), (322, 61813568), (328, 60682832), (368, 54086872), (448, 44428502), (574, 34675904), (644, 30906784), (656, 30341416), (736, 27043436), (896, 22214251), (943, 21107072), (1148, 17337952), (1288, 15453392), (1312, 15170708), (1472, 13521718), (1886, 10553536), (2296, 8668976), (2576, 7726696), (2624, 7585354), (2944, 6760859), (3772, 5276768), (4592, 4334488), (5152, 3863348), (5248, 3792677), (6601, 3015296), (7544, 2638384), (9184, 2167244), (10304, 1931674), (13202, 1507648), (15088, 1319192), (18368, 1083622), (20608, 965837), (23557, 844928), (26404, 753824), (30176, 659596), (36736, 541811), (47114, 422464), (52808, 376912), (60352, 329798), (94228, 211232), (105616, 188456), (120704, 164899)]