19868541

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{86011}}^1$

素因数の和:86032

約数の個数: 16

約数和(自身を含む): 33028608

約数和(自身を除く): 13160067

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 86011, 258033, 602077, 946121, 1806231, 2838363, 6622847, 19868541]

約数ペア:

[(1, 19868541), (3, 6622847), (7, 2838363), (11, 1806231), (21, 946121), (33, 602077), (77, 258033), (231, 86011)]