19964681

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{241}}^1\times {\mathrm{443}}^1$

素因数の和:712

約数の個数: 16

約数和(自身を含む): 23208768

約数和(自身を除く): 3244087

約数列:

[1, 11, 17, 187, 241, 443, 2651, 4097, 4873, 7531, 45067, 82841, 106763, 1174393, 1814971, 19964681]

約数ペア:

[(1, 19964681), (11, 1814971), (17, 1174393), (187, 106763), (241, 82841), (443, 45067), (2651, 7531), (4097, 4873)]