9991226

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37561}}^1$

素因数の和:37589

約数の個数: 16

約数和(自身を含む): 18029760

約数和(自身を除く): 8038534

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 37561, 75122, 262927, 525854, 713659, 1427318, 4995613, 9991226]

約数ペア:

[(1, 9991226), (2, 4995613), (7, 1427318), (14, 713659), (19, 525854), (38, 262927), (133, 75122), (266, 37561)]