19428795

素因数分解:

$3^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2027}}^1$

素因数の和:2112

約数の個数: 32

約数和(自身を含む): 35043840

約数和(自身を除く): 15615045

約数列:

[1, 3, 5, 9, 15, 27, 45, 71, 135, 213, 355, 639, 1065, 1917, 2027, 3195, 6081, 9585, 10135, 18243, 30405, 54729, 91215, 143917, 273645, 431751, 719585, 1295253, 2158755, 3885759, 6476265, 19428795]

約数ペア:

[(1, 19428795), (3, 6476265), (5, 3885759), (9, 2158755), (15, 1295253), (27, 719585), (45, 431751), (71, 273645), (135, 143917), (213, 91215), (355, 54729), (639, 30405), (1065, 18243), (1917, 10135), (2027, 9585), (3195, 6081)]