19511734

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{80627}}^1$

素因数の和:80651

約数の個数: 12

約数和(自身を含む): 32170572

約数和(自身を除く): 12658838

約数列:

[1, 2, 11, 22, 121, 242, 80627, 161254, 886897, 1773794, 9755867, 19511734]

約数ペア:

[(1, 19511734), (2, 9755867), (11, 1773794), (22, 886897), (121, 161254), (242, 80627)]