18121818

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{21121}}^1$

素因数の和:21150

約数の個数: 32

約数和(自身を含む): 42581952

約数和(自身を除く): 24460134

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 66, 78, 143, 286, 429, 858, 21121, 42242, 63363, 126726, 232331, 274573, 464662, 549146, 696993, 823719, 1393986, 1647438, 3020303, 6040606, 9060909, 18121818]

約数ペア:

[(1, 18121818), (2, 9060909), (3, 6040606), (6, 3020303), (11, 1647438), (13, 1393986), (22, 823719), (26, 696993), (33, 549146), (39, 464662), (66, 274573), (78, 232331), (143, 126726), (286, 63363), (429, 42242), (858, 21121)]