19847267

素因数分解:

${\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1$

素因数の和:227

約数の個数: 24

約数和(自身を含む): 23461200

約数和(自身を除く): 3613933

約数列:

[1, 11, 19, 89, 97, 121, 209, 979, 1067, 1691, 1843, 2299, 8633, 10769, 11737, 18601, 20273, 94963, 164027, 204611, 223003, 1044593, 1804297, 19847267]

約数ペア:

[(1, 19847267), (11, 1804297), (19, 1044593), (89, 223003), (97, 204611), (121, 164027), (209, 94963), (979, 20273), (1067, 18601), (1691, 11737), (1843, 10769), (2299, 8633)]