19385660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{138469}}^1$

素因数の和:138485

約数の個数: 24

約数和(自身を含む): 46525920

約数和(自身を除く): 27140260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 138469, 276938, 553876, 692345, 969283, 1384690, 1938566, 2769380, 3877132, 4846415, 9692830, 19385660]

約数ペア:

[(1, 19385660), (2, 9692830), (4, 4846415), (5, 3877132), (7, 2769380), (10, 1938566), (14, 1384690), (20, 969283), (28, 692345), (35, 553876), (70, 276938), (140, 138469)]