19491651

素因数分解:

$3^3\times {\mathrm{53}}^2\times {\mathrm{257}}^1$

素因数の和:372

約数の個数: 24

約数和(自身を含む): 29546160

約数和(自身を除く): 10054509

約数列:

[1, 3, 9, 27, 53, 159, 257, 477, 771, 1431, 2313, 2809, 6939, 8427, 13621, 25281, 40863, 75843, 122589, 367767, 721913, 2165739, 6497217, 19491651]

約数ペア:

[(1, 19491651), (3, 6497217), (9, 2165739), (27, 721913), (53, 367767), (159, 122589), (257, 75843), (477, 40863), (771, 25281), (1431, 13621), (2313, 8427), (2809, 6939)]