19003903

素因数分解:

${\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{199}}^1$

素因数の和:354

約数の個数: 16

約数和(自身を含む): 20520000

約数和(自身を除く): 1516097

約数列:

[1, 29, 37, 89, 199, 1073, 2581, 3293, 5771, 7363, 17711, 95497, 213527, 513619, 655307, 19003903]

約数ペア:

[(1, 19003903), (29, 655307), (37, 513619), (89, 213527), (199, 95497), (1073, 17711), (2581, 7363), (3293, 5771)]