18909423

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{3169}}^1$

素因数の和:3208

約数の個数: 32

約数和(自身を含む): 31953600

約数和(自身を除く): 13044177

約数列:

[1, 3, 9, 13, 17, 27, 39, 51, 117, 153, 221, 351, 459, 663, 1989, 3169, 5967, 9507, 28521, 41197, 53873, 85563, 123591, 161619, 370773, 484857, 700349, 1112319, 1454571, 2101047, 6303141, 18909423]

約数ペア:

[(1, 18909423), (3, 6303141), (9, 2101047), (13, 1454571), (17, 1112319), (27, 700349), (39, 484857), (51, 370773), (117, 161619), (153, 123591), (221, 85563), (351, 53873), (459, 41197), (663, 28521), (1989, 9507), (3169, 5967)]