19280973

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1\times {\mathrm{691}}^1$

素因数の和:896

約数の個数: 16

約数和(自身を含む): 26307072

約数和(自身を除く): 7026099

約数列:

[1, 3, 71, 131, 213, 393, 691, 2073, 9301, 27903, 49061, 90521, 147183, 271563, 6426991, 19280973]

約数ペア:

[(1, 19280973), (3, 6426991), (71, 271563), (131, 147183), (213, 90521), (393, 49061), (691, 27903), (2073, 9301)]