19712937

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{4871}}^1$

素因数の和:4964

約数の個数: 16

約数和(自身を含む): 28062720

約数和(自身を除く): 8349783

約数列:

[1, 3, 19, 57, 71, 213, 1349, 4047, 4871, 14613, 92549, 277647, 345841, 1037523, 6570979, 19712937]

約数ペア:

[(1, 19712937), (3, 6570979), (19, 1037523), (57, 345841), (71, 277647), (213, 92549), (1349, 14613), (4047, 4871)]