19783023

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{67}}^2\times {\mathrm{113}}^1$

素因数の和:263

約数の個数: 24

約数和(自身を含む): 29091888

約数和(自身を除く): 9308865

約数列:

[1, 3, 13, 39, 67, 113, 201, 339, 871, 1469, 2613, 4407, 4489, 7571, 13467, 22713, 58357, 98423, 175071, 295269, 507257, 1521771, 6594341, 19783023]

約数ペア:

[(1, 19783023), (3, 6594341), (13, 1521771), (39, 507257), (67, 295269), (113, 175071), (201, 98423), (339, 58357), (871, 22713), (1469, 13467), (2613, 7571), (4407, 4489)]