18842992

素因数分解:

$2^4\times 7^1\times {\mathrm{83}}^1\times {\mathrm{2027}}^1$

素因数の和:2125

約数の個数: 40

約数和(自身を含む): 42247296

約数和(自身を除く): 23404304

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 83, 112, 166, 332, 581, 664, 1162, 1328, 2027, 2324, 4054, 4648, 8108, 9296, 14189, 16216, 28378, 32432, 56756, 113512, 168241, 227024, 336482, 672964, 1177687, 1345928, 2355374, 2691856, 4710748, 9421496, 18842992]

約数ペア:

[(1, 18842992), (2, 9421496), (4, 4710748), (7, 2691856), (8, 2355374), (14, 1345928), (16, 1177687), (28, 672964), (56, 336482), (83, 227024), (112, 168241), (166, 113512), (332, 56756), (581, 32432), (664, 28378), (1162, 16216), (1328, 14189), (2027, 9296), (2324, 8108), (4054, 4648)]