19970093

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{359}}^1\times {\mathrm{389}}^1$

素因数の和:772

約数の個数: 16

約数和(自身を含む): 23587200

約数和(自身を除く): 3617107

約数列:

[1, 11, 13, 143, 359, 389, 3949, 4279, 4667, 5057, 51337, 55627, 139651, 1536161, 1815463, 19970093]

約数ペア:

[(1, 19970093), (11, 1815463), (13, 1536161), (143, 139651), (359, 55627), (389, 51337), (3949, 5057), (4279, 4667)]