19197567

素因数分解:

$3^4\times {\mathrm{89}}^1\times {\mathrm{2663}}^1$

素因数の和:2764

約数の個数: 20

約数和(自身を含む): 29010960

約数和(自身を除く): 9813393

約数列:

[1, 3, 9, 27, 81, 89, 267, 801, 2403, 2663, 7209, 7989, 23967, 71901, 215703, 237007, 711021, 2133063, 6399189, 19197567]

約数ペア:

[(1, 19197567), (3, 6399189), (9, 2133063), (27, 711021), (81, 237007), (89, 215703), (267, 71901), (801, 23967), (2403, 7989), (2663, 7209)]