12991788

素因数分解:

$2^2\times 3^2\times {\mathrm{563}}^1\times {\mathrm{641}}^1$

素因数の和:1214

約数の個数: 36

約数和(自身を含む): 32950008

約数和(自身を除く): 19958220

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 563, 641, 1126, 1282, 1689, 1923, 2252, 2564, 3378, 3846, 5067, 5769, 6756, 7692, 10134, 11538, 20268, 23076, 360883, 721766, 1082649, 1443532, 2165298, 3247947, 4330596, 6495894, 12991788]

約数ペア:

[(1, 12991788), (2, 6495894), (3, 4330596), (4, 3247947), (6, 2165298), (9, 1443532), (12, 1082649), (18, 721766), (36, 360883), (563, 23076), (641, 20268), (1126, 11538), (1282, 10134), (1689, 7692), (1923, 6756), (2252, 5769), (2564, 5067), (3378, 3846)]