9910868

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{20477}}^1$

素因数の和:20503

約数の個数: 18

約数和(自身を含む): 19065018

約数和(自身を除く): 9154150

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 20477, 40954, 81908, 225247, 450494, 900988, 2477717, 4955434, 9910868]

約数ペア:

[(1, 9910868), (2, 4955434), (4, 2477717), (11, 900988), (22, 450494), (44, 225247), (121, 81908), (242, 40954), (484, 20477)]