18133857

素因数分解:

$3^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{3943}}^1$

素因数の和:4029

約数の個数: 24

約数和(自身を含む): 30353024

約数和(自身を除く): 12219167

約数列:

[1, 3, 7, 9, 21, 63, 73, 219, 511, 657, 1533, 3943, 4599, 11829, 27601, 35487, 82803, 248409, 287839, 863517, 2014873, 2590551, 6044619, 18133857]

約数ペア:

[(1, 18133857), (3, 6044619), (7, 2590551), (9, 2014873), (21, 863517), (63, 287839), (73, 248409), (219, 82803), (511, 35487), (657, 27601), (1533, 11829), (3943, 4599)]