19008891

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{2207}}^1$

素因数の和:2256

約数の個数: 32

約数和(自身を含む): 31795200

約数和(自身を除く): 12786309

約数列:

[1, 3, 9, 11, 27, 29, 33, 87, 99, 261, 297, 319, 783, 957, 2207, 2871, 6621, 8613, 19863, 24277, 59589, 64003, 72831, 192009, 218493, 576027, 655479, 704033, 1728081, 2112099, 6336297, 19008891]

約数ペア:

[(1, 19008891), (3, 6336297), (9, 2112099), (11, 1728081), (27, 704033), (29, 655479), (33, 576027), (87, 218493), (99, 192009), (261, 72831), (297, 64003), (319, 59589), (783, 24277), (957, 19863), (2207, 8613), (2871, 6621)]