19837929

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{541}}^1\times {\mathrm{719}}^1$

素因数の和:1280

約数の個数: 16

約数和(自身を含む): 28097280

約数和(自身を除く): 8259351

約数列:

[1, 3, 17, 51, 541, 719, 1623, 2157, 9197, 12223, 27591, 36669, 388979, 1166937, 6612643, 19837929]

約数ペア:

[(1, 19837929), (3, 6612643), (17, 1166937), (51, 388979), (541, 36669), (719, 27591), (1623, 12223), (2157, 9197)]