19942488

素因数分解:

$2^3\times 3^2\times {\mathrm{29}}^1\times {\mathrm{9551}}^1$

素因数の和:9592

約数の個数: 48

約数和(自身を含む): 55879200

約数和(自身を除く): 35936712

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 29, 36, 58, 72, 87, 116, 174, 232, 261, 348, 522, 696, 1044, 2088, 9551, 19102, 28653, 38204, 57306, 76408, 85959, 114612, 171918, 229224, 276979, 343836, 553958, 687672, 830937, 1107916, 1661874, 2215832, 2492811, 3323748, 4985622, 6647496, 9971244, 19942488]

約数ペア:

[(1, 19942488), (2, 9971244), (3, 6647496), (4, 4985622), (6, 3323748), (8, 2492811), (9, 2215832), (12, 1661874), (18, 1107916), (24, 830937), (29, 687672), (36, 553958), (58, 343836), (72, 276979), (87, 229224), (116, 171918), (174, 114612), (232, 85959), (261, 76408), (348, 57306), (522, 38204), (696, 28653), (1044, 19102), (2088, 9551)]