19651086

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:108

約数の個数: 160

約数和(自身を含む): 57243648

約数和(自身を除く): 37592562

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 27, 31, 39, 42, 43, 54, 62, 63, 78, 81, 86, 91, 93, 117, 126, 129, 162, 182, 186, 189, 217, 234, 258, 273, 279, 301, 351, 378, 387, 403, 434, 546, 558, 559, 567, 602, 651, 702, 774, 806, 819, 837, 903, 1053, 1118, 1134, 1161, 1209, 1302, 1333, 1638, 1674, 1677, 1806, 1953, 2106, 2322, 2418, 2457, 2511, 2666, 2709, 2821, 3354, 3483, 3627, 3906, 3913, 3999, 4914, 5022, 5031, 5418, 5642, 5859, 6966, 7254, 7371, 7826, 7998, 8127, 8463, 9331, 10062, 10881, 11718, 11739, 11997, 14742, 15093, 16254, 16926, 17329, 17577, 18662, 21762, 23478, 23994, 24381, 25389, 27993, 30186, 32643, 34658, 35154, 35217, 35991, 45279, 48762, 50778, 51987, 55986, 65286, 70434, 71982, 76167, 83979, 90558, 103974, 105651, 107973, 121303, 152334, 155961, 167958, 211302, 215946, 228501, 242606, 251937, 311922, 316953, 363909, 457002, 467883, 503874, 633906, 727818, 755811, 935766, 1091727, 1403649, 1511622, 2183454, 2807298, 3275181, 6550362, 9825543, 19651086]

約数ペア:

[(1, 19651086), (2, 9825543), (3, 6550362), (6, 3275181), (7, 2807298), (9, 2183454), (13, 1511622), (14, 1403649), (18, 1091727), (21, 935766), (26, 755811), (27, 727818), (31, 633906), (39, 503874), (42, 467883), (43, 457002), (54, 363909), (62, 316953), (63, 311922), (78, 251937), (81, 242606), (86, 228501), (91, 215946), (93, 211302), (117, 167958), (126, 155961), (129, 152334), (162, 121303), (182, 107973), (186, 105651), (189, 103974), (217, 90558), (234, 83979), (258, 76167), (273, 71982), (279, 70434), (301, 65286), (351, 55986), (378, 51987), (387, 50778), (403, 48762), (434, 45279), (546, 35991), (558, 35217), (559, 35154), (567, 34658), (602, 32643), (651, 30186), (702, 27993), (774, 25389), (806, 24381), (819, 23994), (837, 23478), (903, 21762), (1053, 18662), (1118, 17577), (1134, 17329), (1161, 16926), (1209, 16254), (1302, 15093), (1333, 14742), (1638, 11997), (1674, 11739), (1677, 11718), (1806, 10881), (1953, 10062), (2106, 9331), (2322, 8463), (2418, 8127), (2457, 7998), (2511, 7826), (2666, 7371), (2709, 7254), (2821, 6966), (3354, 5859), (3483, 5642), (3627, 5418), (3906, 5031), (3913, 5022), (3999, 4914)]