18882220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{134873}}^1$

素因数の和:134889

約数の個数: 24

約数和(自身を含む): 45317664

約数和(自身を除く): 26435444

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 134873, 269746, 539492, 674365, 944111, 1348730, 1888222, 2697460, 3776444, 4720555, 9441110, 18882220]

約数ペア:

[(1, 18882220), (2, 9441110), (4, 4720555), (5, 3776444), (7, 2697460), (10, 1888222), (14, 1348730), (20, 944111), (28, 674365), (35, 539492), (70, 269746), (140, 134873)]