18026675

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{409}}^1$

素因数の和:503

約数の個数: 24

約数和(自身を含む): 23488080

約数和(自身を除く): 5461405

約数列:

[1, 5, 25, 41, 43, 205, 215, 409, 1025, 1075, 1763, 2045, 8815, 10225, 16769, 17587, 44075, 83845, 87935, 419225, 439675, 721067, 3605335, 18026675]

約数ペア:

[(1, 18026675), (5, 3605335), (25, 721067), (41, 439675), (43, 419225), (205, 87935), (215, 83845), (409, 44075), (1025, 17587), (1075, 16769), (1763, 10225), (2045, 8815)]