18970869

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{199}}^1\times {\mathrm{739}}^1$

素因数の和:984

約数の個数: 16

約数和(自身を含む): 26048000

約数和(自身を除く): 7077131

約数列:

[1, 3, 43, 129, 199, 597, 739, 2217, 8557, 25671, 31777, 95331, 147061, 441183, 6323623, 18970869]

約数ペア:

[(1, 18970869), (3, 6323623), (43, 441183), (129, 147061), (199, 95331), (597, 31777), (739, 25671), (2217, 8557)]