18426789

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{547}}^1$

素因数の和:769

約数の個数: 24

約数和(自身を含む): 28211040

約数和(自身を除く): 9784251

約数列:

[1, 3, 9, 19, 57, 171, 197, 547, 591, 1641, 1773, 3743, 4923, 10393, 11229, 31179, 33687, 93537, 107759, 323277, 969831, 2047421, 6142263, 18426789]

約数ペア:

[(1, 18426789), (3, 6142263), (9, 2047421), (19, 969831), (57, 323277), (171, 107759), (197, 93537), (547, 33687), (591, 31179), (1641, 11229), (1773, 10393), (3743, 4923)]