20182865968

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{10861}}^1$

素因数の和:11022

約数の個数: 80

約数和(自身を含む): 41661939616

約数和(自身を除く): 21479073648

約数列:

[1, 2, 4, 8, 16, 37, 43, 73, 74, 86, 146, 148, 172, 292, 296, 344, 584, 592, 688, 1168, 1591, 2701, 3139, 3182, 5402, 6278, 6364, 10804, 10861, 12556, 12728, 21608, 21722, 25112, 25456, 43216, 43444, 50224, 86888, 116143, 173776, 232286, 401857, 464572, 467023, 792853, 803714, 929144, 934046, 1585706, 1607428, 1858288, 1868092, 3171412, 3214856, 3736184, 6342824, 6429712, 7472368, 12685648, 17279851, 29335561, 34092679, 34559702, 58671122, 68185358, 69119404, 117342244, 136370716, 138238808, 234684488, 272741432, 276477616, 469368976, 545482864, 1261429123, 2522858246, 5045716492, 10091432984, 20182865968]

約数ペア:

[(1, 20182865968), (2, 10091432984), (4, 5045716492), (8, 2522858246), (16, 1261429123), (37, 545482864), (43, 469368976), (73, 276477616), (74, 272741432), (86, 234684488), (146, 138238808), (148, 136370716), (172, 117342244), (292, 69119404), (296, 68185358), (344, 58671122), (584, 34559702), (592, 34092679), (688, 29335561), (1168, 17279851), (1591, 12685648), (2701, 7472368), (3139, 6429712), (3182, 6342824), (5402, 3736184), (6278, 3214856), (6364, 3171412), (10804, 1868092), (10861, 1858288), (12556, 1607428), (12728, 1585706), (21608, 934046), (21722, 929144), (25112, 803714), (25456, 792853), (43216, 467023), (43444, 464572), (50224, 401857), (86888, 232286), (116143, 173776)]