19765487

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{293}}^1\times {\mathrm{419}}^1$

素因数の和:742

約数の個数: 16

約数和(自身を含む): 23708160

約数和(自身を除く): 3942673

約数列:

[1, 7, 23, 161, 293, 419, 2051, 2933, 6739, 9637, 47173, 67459, 122767, 859369, 2823641, 19765487]

約数ペア:

[(1, 19765487), (7, 2823641), (23, 859369), (161, 122767), (293, 67459), (419, 47173), (2051, 9637), (2933, 6739)]