19855808

素因数分解:

$2^6\times 7^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1$

素因数の和:130

約数の個数: 112

約数和(自身を含む): 49158144

約数和(自身を除く): 29302336

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 32, 41, 46, 47, 56, 64, 82, 92, 94, 112, 161, 164, 184, 188, 224, 287, 322, 328, 329, 368, 376, 448, 574, 644, 656, 658, 736, 752, 943, 1081, 1148, 1288, 1312, 1316, 1472, 1504, 1886, 1927, 2162, 2296, 2576, 2624, 2632, 3008, 3772, 3854, 4324, 4592, 5152, 5264, 6601, 7544, 7567, 7708, 8648, 9184, 10304, 10528, 13202, 13489, 15088, 15134, 15416, 17296, 18368, 21056, 26404, 26978, 30176, 30268, 30832, 34592, 44321, 52808, 53956, 60352, 60536, 61664, 69184, 88642, 105616, 107912, 121072, 123328, 177284, 211232, 215824, 242144, 310247, 354568, 422464, 431648, 484288, 620494, 709136, 863296, 1240988, 1418272, 2481976, 2836544, 4963952, 9927904, 19855808]

約数ペア:

[(1, 19855808), (2, 9927904), (4, 4963952), (7, 2836544), (8, 2481976), (14, 1418272), (16, 1240988), (23, 863296), (28, 709136), (32, 620494), (41, 484288), (46, 431648), (47, 422464), (56, 354568), (64, 310247), (82, 242144), (92, 215824), (94, 211232), (112, 177284), (161, 123328), (164, 121072), (184, 107912), (188, 105616), (224, 88642), (287, 69184), (322, 61664), (328, 60536), (329, 60352), (368, 53956), (376, 52808), (448, 44321), (574, 34592), (644, 30832), (656, 30268), (658, 30176), (736, 26978), (752, 26404), (943, 21056), (1081, 18368), (1148, 17296), (1288, 15416), (1312, 15134), (1316, 15088), (1472, 13489), (1504, 13202), (1886, 10528), (1927, 10304), (2162, 9184), (2296, 8648), (2576, 7708), (2624, 7567), (2632, 7544), (3008, 6601), (3772, 5264), (3854, 5152), (4324, 4592)]