12878884

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{1747}}^1$

素因数の和:1867

約数の個数: 24

約数和(自身を含む): 23982560

約数和(自身を除く): 11103676

約数列:

[1, 2, 4, 19, 38, 76, 97, 194, 388, 1747, 1843, 3494, 3686, 6988, 7372, 33193, 66386, 132772, 169459, 338918, 677836, 3219721, 6439442, 12878884]

約数ペア:

[(1, 12878884), (2, 6439442), (4, 3219721), (19, 677836), (38, 338918), (76, 169459), (97, 132772), (194, 66386), (388, 33193), (1747, 7372), (1843, 6988), (3494, 3686)]