2019998519

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{270451}}^1$

素因数の和:270566

約数の個数: 16

約数和(自身を含む): 2544412416

約数和(自身を除く): 524413897

約数列:

[1, 7, 11, 77, 97, 679, 1067, 7469, 270451, 1893157, 2974961, 20824727, 26233747, 183636229, 288571217, 2019998519]

約数ペア:

[(1, 2019998519), (7, 288571217), (11, 183636229), (77, 26233747), (97, 20824727), (679, 2974961), (1067, 1893157), (7469, 270451)]