18008963

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{479}}^1$

素因数の和:658

約数の個数: 16

約数和(自身を含む): 21288960

約数和(自身を除く): 3279997

約数列:

[1, 7, 41, 131, 287, 479, 917, 3353, 5371, 19639, 37597, 62749, 137473, 439243, 2572709, 18008963]

約数ペア:

[(1, 18008963), (7, 2572709), (41, 439243), (131, 137473), (287, 62749), (479, 37597), (917, 19639), (3353, 5371)]