19271791

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{61}}^1\times {\mathrm{373}}^1$

素因数の和:463

約数の個数: 24

約数和(自身を含む): 24672032

約数和(自身を除く): 5400241

約数列:

[1, 7, 11, 61, 77, 121, 373, 427, 671, 847, 2611, 4103, 4697, 7381, 22753, 28721, 45133, 51667, 159271, 250283, 315931, 1751981, 2753113, 19271791]

約数ペア:

[(1, 19271791), (7, 2753113), (11, 1751981), (61, 315931), (77, 250283), (121, 159271), (373, 51667), (427, 45133), (671, 28721), (847, 22753), (2611, 7381), (4103, 4697)]