19960863

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{3907}}^1$

素因数の和:4054

約数の個数: 16

約数和(自身を含む): 28887936

約数和(自身を除く): 8927073

約数列:

[1, 3, 13, 39, 131, 393, 1703, 3907, 5109, 11721, 50791, 152373, 511817, 1535451, 6653621, 19960863]

約数ペア:

[(1, 19960863), (3, 6653621), (13, 1535451), (39, 511817), (131, 152373), (393, 50791), (1703, 11721), (3907, 5109)]