19446687

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{2341}}^1$

素因数の和:2431

約数の個数: 24

約数和(自身を含む): 30689568

約数和(自身を除く): 11242881

約数列:

[1, 3, 9, 13, 39, 71, 117, 213, 639, 923, 2341, 2769, 7023, 8307, 21069, 30433, 91299, 166211, 273897, 498633, 1495899, 2160743, 6482229, 19446687]

約数ペア:

[(1, 19446687), (3, 6482229), (9, 2160743), (13, 1495899), (39, 498633), (71, 273897), (117, 166211), (213, 91299), (639, 30433), (923, 21069), (2341, 8307), (2769, 7023)]