19354580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{138247}}^1$

素因数の和:138263

約数の個数: 24

約数和(自身を含む): 46451328

約数和(自身を除く): 27096748

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 138247, 276494, 552988, 691235, 967729, 1382470, 1935458, 2764940, 3870916, 4838645, 9677290, 19354580]

約数ペア:

[(1, 19354580), (2, 9677290), (4, 4838645), (5, 3870916), (7, 2764940), (10, 1935458), (14, 1382470), (20, 967729), (28, 691235), (35, 552988), (70, 276494), (140, 138247)]