18522261

素因数分解:

$3^2\times {\mathrm{79}}^1\times {\mathrm{109}}^1\times {\mathrm{239}}^1$

素因数の和:433

約数の個数: 24

約数和(自身を含む): 27456000

約数和(自身を除く): 8933739

約数列:

[1, 3, 9, 79, 109, 237, 239, 327, 711, 717, 981, 2151, 8611, 18881, 25833, 26051, 56643, 77499, 78153, 169929, 234459, 2058029, 6174087, 18522261]

約数ペア:

[(1, 18522261), (3, 6174087), (9, 2058029), (79, 234459), (109, 169929), (237, 78153), (239, 77499), (327, 56643), (711, 26051), (717, 25833), (981, 18881), (2151, 8611)]