19597340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{139981}}^1$

素因数の和:139997

約数の個数: 24

約数和(自身を含む): 47033952

約数和(自身を除く): 27436612

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 139981, 279962, 559924, 699905, 979867, 1399810, 1959734, 2799620, 3919468, 4899335, 9798670, 19597340]

約数ペア:

[(1, 19597340), (2, 9798670), (4, 4899335), (5, 3919468), (7, 2799620), (10, 1959734), (14, 1399810), (20, 979867), (28, 699905), (35, 559924), (70, 279962), (140, 139981)]