18383517

素因数分解:

$3^4\times {\mathrm{73}}^1\times {\mathrm{3109}}^1$

素因数の和:3194

約数の個数: 20

約数和(自身を含む): 27846940

約数和(自身を除く): 9463423

約数列:

[1, 3, 9, 27, 73, 81, 219, 657, 1971, 3109, 5913, 9327, 27981, 83943, 226957, 251829, 680871, 2042613, 6127839, 18383517]

約数ペア:

[(1, 18383517), (3, 6127839), (9, 2042613), (27, 680871), (73, 251829), (81, 226957), (219, 83943), (657, 27981), (1971, 9327), (3109, 5913)]