18489315

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1789}}^1$

素因数の和:1863

約数の個数: 32

約数和(自身を含む): 32477760

約数和(自身を除く): 13988445

約数列:

[1, 3, 5, 13, 15, 39, 53, 65, 159, 195, 265, 689, 795, 1789, 2067, 3445, 5367, 8945, 10335, 23257, 26835, 69771, 94817, 116285, 284451, 348855, 474085, 1232621, 1422255, 3697863, 6163105, 18489315]

約数ペア:

[(1, 18489315), (3, 6163105), (5, 3697863), (13, 1422255), (15, 1232621), (39, 474085), (53, 348855), (65, 284451), (159, 116285), (195, 94817), (265, 69771), (689, 26835), (795, 23257), (1789, 10335), (2067, 8945), (3445, 5367)]