18628085

素因数分解:

$5^1\times 7^2\times {\mathrm{139}}^1\times {\mathrm{547}}^1$

素因数の和:705

約数の個数: 24

約数和(自身を含む): 26238240

約数和(自身を除く): 7610155

約数列:

[1, 5, 7, 35, 49, 139, 245, 547, 695, 973, 2735, 3829, 4865, 6811, 19145, 26803, 34055, 76033, 134015, 380165, 532231, 2661155, 3725617, 18628085]

約数ペア:

[(1, 18628085), (5, 3725617), (7, 2661155), (35, 532231), (49, 380165), (139, 134015), (245, 76033), (547, 34055), (695, 26803), (973, 19145), (2735, 6811), (3829, 4865)]