18211101

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{479}}^1$

素因数の和:553

約数の個数: 32

約数和(自身を含む): 27648000

約数和(自身を除く): 9436899

約数列:

[1, 3, 19, 23, 29, 57, 69, 87, 437, 479, 551, 667, 1311, 1437, 1653, 2001, 9101, 11017, 12673, 13891, 27303, 33051, 38019, 41673, 209323, 263929, 319493, 627969, 791787, 958479, 6070367, 18211101]

約数ペア:

[(1, 18211101), (3, 6070367), (19, 958479), (23, 791787), (29, 627969), (57, 319493), (69, 263929), (87, 209323), (437, 41673), (479, 38019), (551, 33051), (667, 27303), (1311, 13891), (1437, 12673), (1653, 11017), (2001, 9101)]