19656243

素因数分解:

$3^3\times {\mathrm{157}}^1\times {\mathrm{4637}}^1$

素因数の和:4803

約数の個数: 16

約数和(自身を含む): 29312160

約数和(自身を除く): 9655917

約数列:

[1, 3, 9, 27, 157, 471, 1413, 4239, 4637, 13911, 41733, 125199, 728009, 2184027, 6552081, 19656243]

約数ペア:

[(1, 19656243), (3, 6552081), (9, 2184027), (27, 728009), (157, 125199), (471, 41733), (1413, 13911), (4239, 4637)]