19652019

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{257}}^1\times {\mathrm{359}}^1$

素因数の和:690

約数の個数: 16

約数和(自身を含む): 26749440

約数和(自身を除く): 7097421

約数列:

[1, 3, 71, 213, 257, 359, 771, 1077, 18247, 25489, 54741, 76467, 92263, 276789, 6550673, 19652019]

約数ペア:

[(1, 19652019), (3, 6550673), (71, 276789), (213, 92263), (257, 76467), (359, 54741), (771, 25489), (1077, 18247)]