19489221

素因数分解:

$3^3\times {\mathrm{79}}^1\times {\mathrm{9137}}^1$

素因数の和:9225

約数の個数: 16

約数和(自身を含む): 29241600

約数和(自身を除く): 9752379

約数列:

[1, 3, 9, 27, 79, 237, 711, 2133, 9137, 27411, 82233, 246699, 721823, 2165469, 6496407, 19489221]

約数ペア:

[(1, 19489221), (3, 6496407), (9, 2165469), (27, 721823), (79, 246699), (237, 82233), (711, 27411), (2133, 9137)]