19963328

素因数分解:

$2^6\times 7^1\times {\mathrm{11}}^1\times {\mathrm{4051}}^1$

素因数の和:4081

約数の個数: 56

約数和(自身を含む): 49401984

約数和(自身を除く): 29438656

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 64, 77, 88, 112, 154, 176, 224, 308, 352, 448, 616, 704, 1232, 2464, 4051, 4928, 8102, 16204, 28357, 32408, 44561, 56714, 64816, 89122, 113428, 129632, 178244, 226856, 259264, 311927, 356488, 453712, 623854, 712976, 907424, 1247708, 1425952, 1814848, 2495416, 2851904, 4990832, 9981664, 19963328]

約数ペア:

[(1, 19963328), (2, 9981664), (4, 4990832), (7, 2851904), (8, 2495416), (11, 1814848), (14, 1425952), (16, 1247708), (22, 907424), (28, 712976), (32, 623854), (44, 453712), (56, 356488), (64, 311927), (77, 259264), (88, 226856), (112, 178244), (154, 129632), (176, 113428), (224, 89122), (308, 64816), (352, 56714), (448, 44561), (616, 32408), (704, 28357), (1232, 16204), (2464, 8102), (4051, 4928)]