19104743

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{1109}}^1$

素因数の和:1246

約数の個数: 16

約数和(自身を含む): 23016960

約数和(自身を除く): 3912217

約数列:

[1, 7, 23, 107, 161, 749, 1109, 2461, 7763, 17227, 25507, 118663, 178549, 830641, 2729249, 19104743]

約数ペア:

[(1, 19104743), (7, 2729249), (23, 830641), (107, 178549), (161, 118663), (749, 25507), (1109, 17227), (2461, 7763)]