18002485

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1\times {\mathrm{641}}^1$

素因数の和:824

約数の個数: 16

約数和(自身を含む): 22326192

約数和(自身を除く): 4323707

約数列:

[1, 5, 41, 137, 205, 641, 685, 3205, 5617, 26281, 28085, 87817, 131405, 439085, 3600497, 18002485]

約数ペア:

[(1, 18002485), (5, 3600497), (41, 439085), (137, 131405), (205, 87817), (641, 28085), (685, 26281), (3205, 5617)]