18562311

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{421}}^1$

素因数の和:524

約数の個数: 32

約数和(自身を含む): 29168640

約数和(自身を除く): 10606329

約数列:

[1, 3, 9, 23, 27, 69, 71, 207, 213, 421, 621, 639, 1263, 1633, 1917, 3789, 4899, 9683, 11367, 14697, 29049, 29891, 44091, 87147, 89673, 261441, 269019, 687493, 807057, 2062479, 6187437, 18562311]

約数ペア:

[(1, 18562311), (3, 6187437), (9, 2062479), (23, 807057), (27, 687493), (69, 269019), (71, 261441), (207, 89673), (213, 87147), (421, 44091), (621, 29891), (639, 29049), (1263, 14697), (1633, 11367), (1917, 9683), (3789, 4899)]