18820912

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{106937}}^1$

素因数の和:106956

約数の個数: 20

約数和(自身を含む): 39780936

約数和(自身を除く): 20960024

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 106937, 213874, 427748, 855496, 1176307, 1710992, 2352614, 4705228, 9410456, 18820912]

約数ペア:

[(1, 18820912), (2, 9410456), (4, 4705228), (8, 2352614), (11, 1710992), (16, 1176307), (22, 855496), (44, 427748), (88, 213874), (176, 106937)]