19927968

素因数分解:

$2^5\times 3^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1$

素因数の和:198

約数の個数: 96

約数和(自身を含む): 55121472

約数和(自身を除く): 35193504

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 41, 48, 61, 82, 83, 96, 122, 123, 164, 166, 183, 244, 246, 249, 328, 332, 366, 488, 492, 498, 656, 664, 732, 976, 984, 996, 1312, 1328, 1464, 1952, 1968, 1992, 2501, 2656, 2928, 3403, 3936, 3984, 5002, 5063, 5856, 6806, 7503, 7968, 10004, 10126, 10209, 13612, 15006, 15189, 20008, 20252, 20418, 27224, 30012, 30378, 40016, 40504, 40836, 54448, 60024, 60756, 80032, 81008, 81672, 108896, 120048, 121512, 162016, 163344, 207583, 240096, 243024, 326688, 415166, 486048, 622749, 830332, 1245498, 1660664, 2490996, 3321328, 4981992, 6642656, 9963984, 19927968]

約数ペア:

[(1, 19927968), (2, 9963984), (3, 6642656), (4, 4981992), (6, 3321328), (8, 2490996), (12, 1660664), (16, 1245498), (24, 830332), (32, 622749), (41, 486048), (48, 415166), (61, 326688), (82, 243024), (83, 240096), (96, 207583), (122, 163344), (123, 162016), (164, 121512), (166, 120048), (183, 108896), (244, 81672), (246, 81008), (249, 80032), (328, 60756), (332, 60024), (366, 54448), (488, 40836), (492, 40504), (498, 40016), (656, 30378), (664, 30012), (732, 27224), (976, 20418), (984, 20252), (996, 20008), (1312, 15189), (1328, 15006), (1464, 13612), (1952, 10209), (1968, 10126), (1992, 10004), (2501, 7968), (2656, 7503), (2928, 6806), (3403, 5856), (3936, 5063), (3984, 5002)]