19398879

素因数分解:

$3^3\times {\mathrm{431}}^1\times {\mathrm{1667}}^1$

素因数の和:2107

約数の個数: 16

約数和(自身を含む): 28823040

約数和(自身を除く): 9424161

約数列:

[1, 3, 9, 27, 431, 1293, 1667, 3879, 5001, 11637, 15003, 45009, 718477, 2155431, 6466293, 19398879]

約数ペア:

[(1, 19398879), (3, 6466293), (9, 2155431), (27, 718477), (431, 45009), (1293, 15003), (1667, 11637), (3879, 5001)]