19575017

素因数分解:

$7^1\times {\mathrm{11}}^4\times {\mathrm{191}}^1$

素因数の和:242

約数の個数: 20

約数和(自身を含む): 24737280

約数和(自身を除く): 5162263

約数列:

[1, 7, 11, 77, 121, 191, 847, 1331, 1337, 2101, 9317, 14641, 14707, 23111, 102487, 161777, 254221, 1779547, 2796431, 19575017]

約数ペア:

[(1, 19575017), (7, 2796431), (11, 1779547), (77, 254221), (121, 161777), (191, 102487), (847, 23111), (1331, 14707), (1337, 14641), (2101, 9317)]