18250309

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{743}}^1$

素因数の和:801

約数の個数: 24

約数和(自身を含む): 23748480

約数和(自身を除く): 5498171

約数列:

[1, 7, 11, 29, 77, 121, 203, 319, 743, 847, 2233, 3509, 5201, 8173, 21547, 24563, 57211, 89903, 150829, 237017, 629321, 1659119, 2607187, 18250309]

約数ペア:

[(1, 18250309), (7, 2607187), (11, 1659119), (29, 629321), (77, 237017), (121, 150829), (203, 89903), (319, 57211), (743, 24563), (847, 21547), (2233, 8173), (3509, 5201)]