17864140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{127601}}^1$

素因数の和:127617

約数の個数: 24

約数和(自身を含む): 42874272

約数和(自身を除く): 25010132

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 127601, 255202, 510404, 638005, 893207, 1276010, 1786414, 2552020, 3572828, 4466035, 8932070, 17864140]

約数ペア:

[(1, 17864140), (2, 8932070), (4, 4466035), (5, 3572828), (7, 2552020), (10, 1786414), (14, 1276010), (20, 893207), (28, 638005), (35, 510404), (70, 255202), (140, 127601)]