2018721471

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{260111}}^1$

素因数の和:260326

約数の個数: 16

約数和(自身を含む): 2913254400

約数和(自身を除く): 894532929

約数列:

[1, 3, 13, 39, 199, 597, 2587, 7761, 260111, 780333, 3381443, 10144329, 51762089, 155286267, 672907157, 2018721471]

約数ペア:

[(1, 2018721471), (3, 672907157), (13, 155286267), (39, 51762089), (199, 10144329), (597, 3381443), (2587, 780333), (7761, 260111)]