19744821

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{733}}^1$

素因数の和:853

約数の個数: 24

約数和(自身を含む): 29656536

約数和(自身を除く): 9911715

約数列:

[1, 3, 9, 41, 73, 123, 219, 369, 657, 733, 2199, 2993, 6597, 8979, 26937, 30053, 53509, 90159, 160527, 270477, 481581, 2193869, 6581607, 19744821]

約数ペア:

[(1, 19744821), (3, 6581607), (9, 2193869), (41, 481581), (73, 270477), (123, 160527), (219, 90159), (369, 53509), (657, 30053), (733, 26937), (2199, 8979), (2993, 6597)]