17880214

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{11447}}^1$

素因数の和:11531

約数の個数: 16

約数和(自身を含む): 29673216

約数和(自身を除く): 11793002

約数列:

[1, 2, 11, 22, 71, 142, 781, 1562, 11447, 22894, 125917, 251834, 812737, 1625474, 8940107, 17880214]

約数ペア:

[(1, 17880214), (2, 8940107), (11, 1625474), (22, 812737), (71, 251834), (142, 125917), (781, 22894), (1562, 11447)]