19965413

素因数分解:

${\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1\times {\mathrm{223}}^1$

素因数の和:404

約数の個数: 16

約数和(自身を含む): 22127616

約数和(自身を除く): 2162203

約数列:

[1, 13, 71, 97, 223, 923, 1261, 2899, 6887, 15833, 21631, 89531, 205829, 281203, 1535801, 19965413]

約数ペア:

[(1, 19965413), (13, 1535801), (71, 281203), (97, 205829), (223, 89531), (923, 21631), (1261, 15833), (2899, 6887)]