19953949821

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{39356903}}^1$

素因数の和:39356932

約数の個数: 12

約数和(自身を含む): 28809253728

約数和(自身を除く): 8855303907

約数列:

[1, 3, 13, 39, 169, 507, 39356903, 118070709, 511639739, 1534919217, 6651316607, 19953949821]

約数ペア:

[(1, 19953949821), (3, 6651316607), (13, 1534919217), (39, 511639739), (169, 118070709), (507, 39356903)]