19380620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{138433}}^1$

素因数の和:138449

約数の個数: 24

約数和(自身を含む): 46513824

約数和(自身を除く): 27133204

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 138433, 276866, 553732, 692165, 969031, 1384330, 1938062, 2768660, 3876124, 4845155, 9690310, 19380620]

約数ペア:

[(1, 19380620), (2, 9690310), (4, 4845155), (5, 3876124), (7, 2768660), (10, 1938062), (14, 1384330), (20, 969031), (28, 692165), (35, 553732), (70, 276866), (140, 138433)]