18811166

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{12043}}^1$

素因数の和:12127

約数の個数: 16

約数和(自身を含む): 31218048

約数和(自身を除く): 12406882

約数列:

[1, 2, 11, 22, 71, 142, 781, 1562, 12043, 24086, 132473, 264946, 855053, 1710106, 9405583, 18811166]

約数ペア:

[(1, 18811166), (2, 9405583), (11, 1710106), (22, 855053), (71, 264946), (142, 132473), (781, 24086), (1562, 12043)]