19703387

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1657}}^1$

素因数の和:1738

約数の個数: 16

約数和(自身を含む): 22920192

約数和(自身を除く): 3216805

約数列:

[1, 11, 23, 47, 253, 517, 1081, 1657, 11891, 18227, 38111, 77879, 419221, 856669, 1791217, 19703387]

約数ペア:

[(1, 19703387), (11, 1791217), (23, 856669), (47, 419221), (253, 77879), (517, 38111), (1081, 18227), (1657, 11891)]