18245392

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{1249}}^1$

素因数の和:1351

約数の個数: 40

約数和(自身を含む): 39060000

約数和(自身を除く): 20814608

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 83, 88, 166, 176, 332, 664, 913, 1249, 1328, 1826, 2498, 3652, 4996, 7304, 9992, 13739, 14608, 19984, 27478, 54956, 103667, 109912, 207334, 219824, 414668, 829336, 1140337, 1658672, 2280674, 4561348, 9122696, 18245392]

約数ペア:

[(1, 18245392), (2, 9122696), (4, 4561348), (8, 2280674), (11, 1658672), (16, 1140337), (22, 829336), (44, 414668), (83, 219824), (88, 207334), (166, 109912), (176, 103667), (332, 54956), (664, 27478), (913, 19984), (1249, 14608), (1328, 13739), (1826, 9992), (2498, 7304), (3652, 4996)]