19662291

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{277}}^1$

素因数の和:536

約数の個数: 32

約数和(自身を含む): 32025600

約数和(自身を除く): 12363309

約数列:

[1, 3, 9, 11, 27, 33, 99, 239, 277, 297, 717, 831, 2151, 2493, 2629, 3047, 6453, 7479, 7887, 9141, 23661, 27423, 66203, 70983, 82269, 198609, 595827, 728233, 1787481, 2184699, 6554097, 19662291]

約数ペア:

[(1, 19662291), (3, 6554097), (9, 2184699), (11, 1787481), (27, 728233), (33, 595827), (99, 198609), (239, 82269), (277, 70983), (297, 66203), (717, 27423), (831, 23661), (2151, 9141), (2493, 7887), (2629, 7479), (3047, 6453)]