19976489

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{941}}^1$

素因数の和:1048

約数の個数: 16

約数和(自身を含む): 22788864

約数和(自身を除く): 2812375

約数列:

[1, 13, 23, 71, 299, 923, 941, 1633, 12233, 21229, 21643, 66811, 281359, 868543, 1536653, 19976489]

約数ペア:

[(1, 19976489), (13, 1536653), (23, 868543), (71, 281359), (299, 66811), (923, 21643), (941, 21229), (1633, 12233)]