19790617

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{8291}}^1$

素因数の和:8340

約数の個数: 16

約数和(自身を含む): 25473024

約数和(自身を除く): 5682407

約数列:

[1, 7, 11, 31, 77, 217, 341, 2387, 8291, 58037, 91201, 257021, 638407, 1799147, 2827231, 19790617]

約数ペア:

[(1, 19790617), (7, 2827231), (11, 1799147), (31, 638407), (77, 257021), (217, 91201), (341, 58037), (2387, 8291)]