18117828

素因数分解:

$2^2\times 3^2\times {\mathrm{613}}^1\times {\mathrm{821}}^1$

素因数の和:1444

約数の個数: 36

約数和(自身を含む): 45928428

約数和(自身を除く): 27810600

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 613, 821, 1226, 1642, 1839, 2452, 2463, 3284, 3678, 4926, 5517, 7356, 7389, 9852, 11034, 14778, 22068, 29556, 503273, 1006546, 1509819, 2013092, 3019638, 4529457, 6039276, 9058914, 18117828]

約数ペア:

[(1, 18117828), (2, 9058914), (3, 6039276), (4, 4529457), (6, 3019638), (9, 2013092), (12, 1509819), (18, 1006546), (36, 503273), (613, 29556), (821, 22068), (1226, 14778), (1642, 11034), (1839, 9852), (2452, 7389), (2463, 7356), (3284, 5517), (3678, 4926)]