18181163

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{443}}^1$

素因数の和:515

約数の個数: 32

約数和(自身を含む): 25062912

約数和(自身を除く): 6881749

約数列:

[1, 7, 11, 13, 41, 77, 91, 143, 287, 443, 451, 533, 1001, 3101, 3157, 3731, 4873, 5759, 5863, 18163, 34111, 40313, 41041, 63349, 127141, 199793, 236119, 443443, 1398551, 1652833, 2597309, 18181163]

約数ペア:

[(1, 18181163), (7, 2597309), (11, 1652833), (13, 1398551), (41, 443443), (77, 236119), (91, 199793), (143, 127141), (287, 63349), (443, 41041), (451, 40313), (533, 34111), (1001, 18163), (3101, 5863), (3157, 5759), (3731, 4873)]