19779268459

素因数分解:

${\mathrm{73}}^1\times {\mathrm{401}}^1\times {\mathrm{821}}^1\times {\mathrm{823}}^1$

素因数の和:2118

約数の個数: 16

約数和(自身を含む): 20149153344

約数和(自身を除く): 369884885

約数列:

[1, 73, 401, 821, 823, 29273, 59933, 60079, 329221, 330023, 675683, 24033133, 24091679, 49324859, 270948883, 19779268459]

約数ペア:

[(1, 19779268459), (73, 270948883), (401, 49324859), (821, 24091679), (823, 24033133), (29273, 675683), (59933, 330023), (60079, 329221)]