19980622257

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{1031}}^1\times {\mathrm{379997}}^1$

素因数の和:381048

約数の個数: 16

約数和(自身を含む): 28235371392

約数和(自身を除く): 8254749135

約数列:

[1, 3, 17, 51, 1031, 3093, 17527, 52581, 379997, 1139991, 6459949, 19379847, 391776907, 1175330721, 6660207419, 19980622257]

約数ペア:

[(1, 19980622257), (3, 6660207419), (17, 1175330721), (51, 391776907), (1031, 19379847), (3093, 6459949), (17527, 1139991), (52581, 379997)]