18426890

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{63541}}^1$

素因数の和:63577

約数の個数: 16

約数和(自身を含む): 34312680

約数和(自身を除く): 15885790

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 63541, 127082, 317705, 635410, 1842689, 3685378, 9213445, 18426890]

約数ペア:

[(1, 18426890), (2, 9213445), (5, 3685378), (10, 1842689), (29, 635410), (58, 317705), (145, 127082), (290, 63541)]