18521276

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{243701}}^1$

素因数の和:243724

約数の個数: 12

約数和(自身を含む): 34118280

約数和(自身を除く): 15597004

約数列:

[1, 2, 4, 19, 38, 76, 243701, 487402, 974804, 4630319, 9260638, 18521276]

約数ペア:

[(1, 18521276), (2, 9260638), (4, 4630319), (19, 974804), (38, 487402), (76, 243701)]