19471193

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{1693}}^1$

素因数の和:1784

約数の個数: 16

約数和(自身を含む): 23417856

約数和(自身を除く): 3946663

約数列:

[1, 7, 31, 53, 217, 371, 1643, 1693, 11501, 11851, 52483, 89729, 367381, 628103, 2781599, 19471193]

約数ペア:

[(1, 19471193), (7, 2781599), (31, 628103), (53, 367381), (217, 89729), (371, 52483), (1643, 11851), (1693, 11501)]