19462940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{139021}}^1$

素因数の和:139037

約数の個数: 24

約数和(自身を含む): 46711392

約数和(自身を除く): 27248452

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 139021, 278042, 556084, 695105, 973147, 1390210, 1946294, 2780420, 3892588, 4865735, 9731470, 19462940]

約数ペア:

[(1, 19462940), (2, 9731470), (4, 4865735), (5, 3892588), (7, 2780420), (10, 1946294), (14, 1390210), (20, 973147), (28, 695105), (35, 556084), (70, 278042), (140, 139021)]