18767889

素因数分解:

$3^3\times 7^1\times {\mathrm{199}}^1\times {\mathrm{499}}^1$

素因数の和:714

約数の個数: 32

約数和(自身を含む): 32000000

約数和(自身を除く): 13232111

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 199, 499, 597, 1393, 1497, 1791, 3493, 4179, 4491, 5373, 10479, 12537, 13473, 31437, 37611, 94311, 99301, 297903, 695107, 893709, 2085321, 2681127, 6255963, 18767889]

約数ペア:

[(1, 18767889), (3, 6255963), (7, 2681127), (9, 2085321), (21, 893709), (27, 695107), (63, 297903), (189, 99301), (199, 94311), (499, 37611), (597, 31437), (1393, 13473), (1497, 12537), (1791, 10479), (3493, 5373), (4179, 4491)]