19740741

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{1117}}^1$

素因数の和:1300

約数の個数: 16

約数和(自身を含む): 27153984

約数和(自身を除く): 7413243

約数列:

[1, 3, 43, 129, 137, 411, 1117, 3351, 5891, 17673, 48031, 144093, 153029, 459087, 6580247, 19740741]

約数ペア:

[(1, 19740741), (3, 6580247), (43, 459087), (129, 153029), (137, 144093), (411, 48031), (1117, 17673), (3351, 5891)]