19888128

素因数分解:

$2^{11}\times 3^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1$

素因数の和:124

約数の個数: 144

約数和(自身を含む): 62604360

約数和(自身を除く): 42716232

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 64, 72, 78, 83, 96, 104, 117, 128, 144, 156, 166, 192, 208, 234, 249, 256, 288, 312, 332, 384, 416, 468, 498, 512, 576, 624, 664, 747, 768, 832, 936, 996, 1024, 1079, 1152, 1248, 1328, 1494, 1536, 1664, 1872, 1992, 2048, 2158, 2304, 2496, 2656, 2988, 3072, 3237, 3328, 3744, 3984, 4316, 4608, 4992, 5312, 5976, 6144, 6474, 6656, 7488, 7968, 8632, 9216, 9711, 9984, 10624, 11952, 12948, 13312, 14976, 15936, 17264, 18432, 19422, 19968, 21248, 23904, 25896, 26624, 29952, 31872, 34528, 38844, 39936, 42496, 47808, 51792, 59904, 63744, 69056, 77688, 79872, 84992, 95616, 103584, 119808, 127488, 138112, 155376, 169984, 191232, 207168, 239616, 254976, 276224, 310752, 382464, 414336, 509952, 552448, 621504, 764928, 828672, 1104896, 1243008, 1529856, 1657344, 2209792, 2486016, 3314688, 4972032, 6629376, 9944064, 19888128]

約数ペア:

[(1, 19888128), (2, 9944064), (3, 6629376), (4, 4972032), (6, 3314688), (8, 2486016), (9, 2209792), (12, 1657344), (13, 1529856), (16, 1243008), (18, 1104896), (24, 828672), (26, 764928), (32, 621504), (36, 552448), (39, 509952), (48, 414336), (52, 382464), (64, 310752), (72, 276224), (78, 254976), (83, 239616), (96, 207168), (104, 191232), (117, 169984), (128, 155376), (144, 138112), (156, 127488), (166, 119808), (192, 103584), (208, 95616), (234, 84992), (249, 79872), (256, 77688), (288, 69056), (312, 63744), (332, 59904), (384, 51792), (416, 47808), (468, 42496), (498, 39936), (512, 38844), (576, 34528), (624, 31872), (664, 29952), (747, 26624), (768, 25896), (832, 23904), (936, 21248), (996, 19968), (1024, 19422), (1079, 18432), (1152, 17264), (1248, 15936), (1328, 14976), (1494, 13312), (1536, 12948), (1664, 11952), (1872, 10624), (1992, 9984), (2048, 9711), (2158, 9216), (2304, 8632), (2496, 7968), (2656, 7488), (2988, 6656), (3072, 6474), (3237, 6144), (3328, 5976), (3744, 5312), (3984, 4992), (4316, 4608)]