19676855

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{2731}}^1$

素因数の和:2878

約数の個数: 16

約数和(自身を含む): 25964928

約数和(自身を除く): 6288073

約数列:

[1, 5, 11, 55, 131, 655, 1441, 2731, 7205, 13655, 30041, 150205, 357761, 1788805, 3935371, 19676855]

約数ペア:

[(1, 19676855), (5, 3935371), (11, 1788805), (55, 357761), (131, 150205), (655, 30041), (1441, 13655), (2731, 7205)]