18126945

素因数分解:

$3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{5099}}^1$

素因数の和:5189

約数の個数: 24

約数和(自身を含む): 31824000

約数和(自身を除く): 13697055

約数列:

[1, 3, 5, 9, 15, 45, 79, 237, 395, 711, 1185, 3555, 5099, 15297, 25495, 45891, 76485, 229455, 402821, 1208463, 2014105, 3625389, 6042315, 18126945]

約数ペア:

[(1, 18126945), (3, 6042315), (5, 3625389), (9, 2014105), (15, 1208463), (45, 402821), (79, 229455), (237, 76485), (395, 45891), (711, 25495), (1185, 15297), (3555, 5099)]