19930173

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{163}}^1\times {\mathrm{769}}^1$

素因数の和:988

約数の個数: 16

約数和(自身を含む): 27276480

約数和(自身を除く): 7346307

約数列:

[1, 3, 53, 159, 163, 489, 769, 2307, 8639, 25917, 40757, 122271, 125347, 376041, 6643391, 19930173]

約数ペア:

[(1, 19930173), (3, 6643391), (53, 376041), (159, 125347), (163, 122271), (489, 40757), (769, 25917), (2307, 8639)]