19928964

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{107}}^1$

素因数の和:225

約数の個数: 96

約数和(自身を含む): 54867456

約数和(自身を除く): 34938492

約数列:

[1, 2, 3, 4, 6, 11, 12, 17, 22, 33, 34, 44, 51, 66, 68, 83, 102, 107, 132, 166, 187, 204, 214, 249, 321, 332, 374, 428, 498, 561, 642, 748, 913, 996, 1122, 1177, 1284, 1411, 1819, 1826, 2244, 2354, 2739, 2822, 3531, 3638, 3652, 4233, 4708, 5457, 5478, 5644, 7062, 7276, 8466, 8881, 10914, 10956, 14124, 15521, 16932, 17762, 20009, 21828, 26643, 31042, 35524, 40018, 46563, 53286, 60027, 62084, 80036, 93126, 97691, 106572, 120054, 150977, 186252, 195382, 240108, 293073, 301954, 390764, 452931, 586146, 603908, 905862, 1172292, 1660747, 1811724, 3321494, 4982241, 6642988, 9964482, 19928964]

約数ペア:

[(1, 19928964), (2, 9964482), (3, 6642988), (4, 4982241), (6, 3321494), (11, 1811724), (12, 1660747), (17, 1172292), (22, 905862), (33, 603908), (34, 586146), (44, 452931), (51, 390764), (66, 301954), (68, 293073), (83, 240108), (102, 195382), (107, 186252), (132, 150977), (166, 120054), (187, 106572), (204, 97691), (214, 93126), (249, 80036), (321, 62084), (332, 60027), (374, 53286), (428, 46563), (498, 40018), (561, 35524), (642, 31042), (748, 26643), (913, 21828), (996, 20009), (1122, 17762), (1177, 16932), (1284, 15521), (1411, 14124), (1819, 10956), (1826, 10914), (2244, 8881), (2354, 8466), (2739, 7276), (2822, 7062), (3531, 5644), (3638, 5478), (3652, 5457), (4233, 4708)]