18840897

素因数分解:

$3^3\times {\mathrm{307}}^1\times {\mathrm{2273}}^1$

素因数の和:2589

約数の個数: 16

約数和(自身を含む): 28015680

約数和(自身を除く): 9174783

約数列:

[1, 3, 9, 27, 307, 921, 2273, 2763, 6819, 8289, 20457, 61371, 697811, 2093433, 6280299, 18840897]

約数ペア:

[(1, 18840897), (3, 6280299), (9, 2093433), (27, 697811), (307, 61371), (921, 20457), (2273, 8289), (2763, 6819)]