19888181688

素因数分解:

$2^3\times 3^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{709}}^1\times {\mathrm{1019}}^1$

素因数の和:1805

約数の個数: 128

約数和(自身を含む): 52837632000

約数和(自身を除く): 32949450312

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 31, 37, 62, 74, 93, 111, 124, 148, 186, 222, 248, 296, 372, 444, 709, 744, 888, 1019, 1147, 1418, 2038, 2127, 2294, 2836, 3057, 3441, 4076, 4254, 4588, 5672, 6114, 6882, 8152, 8508, 9176, 12228, 13764, 17016, 21979, 24456, 26233, 27528, 31589, 37703, 43958, 52466, 63178, 65937, 75406, 78699, 87916, 94767, 104932, 113109, 126356, 131874, 150812, 157398, 175832, 189534, 209864, 226218, 252712, 263748, 301624, 314796, 379068, 452436, 527496, 629592, 722471, 758136, 813223, 904872, 1168793, 1444942, 1626446, 2167413, 2337586, 2439669, 2889884, 3252892, 3506379, 4334826, 4675172, 4879338, 5779768, 6505784, 7012758, 8669652, 9350344, 9758676, 14025516, 17339304, 19517352, 22396601, 26731427, 28051032, 44793202, 53462854, 67189803, 80194281, 89586404, 106925708, 134379606, 160388562, 179172808, 213851416, 268759212, 320777124, 537518424, 641554248, 828674237, 1657348474, 2486022711, 3314696948, 4972045422, 6629393896, 9944090844, 19888181688]

約数ペア:

[(1, 19888181688), (2, 9944090844), (3, 6629393896), (4, 4972045422), (6, 3314696948), (8, 2486022711), (12, 1657348474), (24, 828674237), (31, 641554248), (37, 537518424), (62, 320777124), (74, 268759212), (93, 213851416), (111, 179172808), (124, 160388562), (148, 134379606), (186, 106925708), (222, 89586404), (248, 80194281), (296, 67189803), (372, 53462854), (444, 44793202), (709, 28051032), (744, 26731427), (888, 22396601), (1019, 19517352), (1147, 17339304), (1418, 14025516), (2038, 9758676), (2127, 9350344), (2294, 8669652), (2836, 7012758), (3057, 6505784), (3441, 5779768), (4076, 4879338), (4254, 4675172), (4588, 4334826), (5672, 3506379), (6114, 3252892), (6882, 2889884), (8152, 2439669), (8508, 2337586), (9176, 2167413), (12228, 1626446), (13764, 1444942), (17016, 1168793), (21979, 904872), (24456, 813223), (26233, 758136), (27528, 722471), (31589, 629592), (37703, 527496), (43958, 452436), (52466, 379068), (63178, 314796), (65937, 301624), (75406, 263748), (78699, 252712), (87916, 226218), (94767, 209864), (104932, 189534), (113109, 175832), (126356, 157398), (131874, 150812)]