19506555

素因数分解:

$3^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{1103}}^1$

素因数の和:1248

約数の個数: 32

約数和(自身を含む): 34974720

約数和(自身を除く): 15468165

約数列:

[1, 3, 5, 9, 15, 27, 45, 131, 135, 393, 655, 1103, 1179, 1965, 3309, 3537, 5515, 5895, 9927, 16545, 17685, 29781, 49635, 144493, 148905, 433479, 722465, 1300437, 2167395, 3901311, 6502185, 19506555]

約数ペア:

[(1, 19506555), (3, 6502185), (5, 3901311), (9, 2167395), (15, 1300437), (27, 722465), (45, 433479), (131, 148905), (135, 144493), (393, 49635), (655, 29781), (1103, 17685), (1179, 16545), (1965, 9927), (3309, 5895), (3537, 5515)]