19267389

素因数分解:

$3^4\times {\mathrm{79}}^1\times {\mathrm{3011}}^1$

素因数の和:3102

約数の個数: 20

約数和(自身を含む): 29156160

約数和(自身を除く): 9888771

約数列:

[1, 3, 9, 27, 79, 81, 237, 711, 2133, 3011, 6399, 9033, 27099, 81297, 237869, 243891, 713607, 2140821, 6422463, 19267389]

約数ペア:

[(1, 19267389), (3, 6422463), (9, 2140821), (27, 713607), (79, 243891), (81, 237869), (237, 81297), (711, 27099), (2133, 9033), (3011, 6399)]