1813317940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{12952271}}^1$

素因数の和:12952287

約数の個数: 24

約数和(自身を含む): 4351963392

約数和(自身を除く): 2538645452

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 12952271, 25904542, 51809084, 64761355, 90665897, 129522710, 181331794, 259045420, 362663588, 453329485, 906658970, 1813317940]

約数ペア:

[(1, 1813317940), (2, 906658970), (4, 453329485), (5, 362663588), (7, 259045420), (10, 181331794), (14, 129522710), (20, 90665897), (28, 64761355), (35, 51809084), (70, 25904542), (140, 12952271)]