19445888

素因数分解:

$2^7\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1973}}^1$

素因数の和:2005

約数の個数: 64

約数和(自身を含む): 48323520

約数和(自身を除く): 28877632

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 64, 77, 88, 112, 128, 154, 176, 224, 308, 352, 448, 616, 704, 896, 1232, 1408, 1973, 2464, 3946, 4928, 7892, 9856, 13811, 15784, 21703, 27622, 31568, 43406, 55244, 63136, 86812, 110488, 126272, 151921, 173624, 220976, 252544, 303842, 347248, 441952, 607684, 694496, 883904, 1215368, 1388992, 1767808, 2430736, 2777984, 4861472, 9722944, 19445888]

約数ペア:

[(1, 19445888), (2, 9722944), (4, 4861472), (7, 2777984), (8, 2430736), (11, 1767808), (14, 1388992), (16, 1215368), (22, 883904), (28, 694496), (32, 607684), (44, 441952), (56, 347248), (64, 303842), (77, 252544), (88, 220976), (112, 173624), (128, 151921), (154, 126272), (176, 110488), (224, 86812), (308, 63136), (352, 55244), (448, 43406), (616, 31568), (704, 27622), (896, 21703), (1232, 15784), (1408, 13811), (1973, 9856), (2464, 7892), (3946, 4928)]