18260505

素因数分解:

$3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{5881}}^1$

素因数の和:5918

約数の個数: 32

約数和(自身を含む): 33880320

約数和(自身を除く): 15619815

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 115, 135, 207, 345, 621, 1035, 3105, 5881, 17643, 29405, 52929, 88215, 135263, 158787, 264645, 405789, 676315, 793935, 1217367, 2028945, 3652101, 6086835, 18260505]

約数ペア:

[(1, 18260505), (3, 6086835), (5, 3652101), (9, 2028945), (15, 1217367), (23, 793935), (27, 676315), (45, 405789), (69, 264645), (115, 158787), (135, 135263), (207, 88215), (345, 52929), (621, 29405), (1035, 17643), (3105, 5881)]