19906282

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{479}}^1\times {\mathrm{1889}}^1$

素因数の和:2381

約数の個数: 16

約数和(自身を含む): 32659200

約数和(自身を除く): 12752918

約数列:

[1, 2, 11, 22, 479, 958, 1889, 3778, 5269, 10538, 20779, 41558, 904831, 1809662, 9953141, 19906282]

約数ペア:

[(1, 19906282), (2, 9953141), (11, 1809662), (22, 904831), (479, 41558), (958, 20779), (1889, 10538), (3778, 5269)]