19390060

素因数分解:

$2^2\times 5^1\times {\mathrm{969503}}^1$

素因数の和:969512

約数の個数: 12

約数和(自身を含む): 40719168

約数和(自身を除く): 21329108

約数列:

[1, 2, 4, 5, 10, 20, 969503, 1939006, 3878012, 4847515, 9695030, 19390060]

約数ペア:

[(1, 19390060), (2, 9695030), (4, 4847515), (5, 3878012), (10, 1939006), (20, 969503)]