19154291

素因数分解:

${\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{113}}^1$

素因数の和:215

約数の個数: 24

約数和(自身を含む): 22530960

約数和(自身を除く): 3376669

約数列:

[1, 13, 17, 59, 113, 169, 221, 767, 1003, 1469, 1921, 2873, 6667, 9971, 13039, 19097, 24973, 86671, 113339, 169507, 324649, 1126723, 1473407, 19154291]

約数ペア:

[(1, 19154291), (13, 1473407), (17, 1126723), (59, 324649), (113, 169507), (169, 113339), (221, 86671), (767, 24973), (1003, 19097), (1469, 13039), (1921, 9971), (2873, 6667)]