18784089

素因数分解:

$3^3\times {\mathrm{311}}^1\times {\mathrm{2237}}^1$

素因数の和:2557

約数の個数: 16

約数和(自身を含む): 27930240

約数和(自身を除く): 9146151

約数列:

[1, 3, 9, 27, 311, 933, 2237, 2799, 6711, 8397, 20133, 60399, 695707, 2087121, 6261363, 18784089]

約数ペア:

[(1, 18784089), (3, 6261363), (9, 2087121), (27, 695707), (311, 60399), (933, 20133), (2237, 8397), (2799, 6711)]