18945315

素因数分解:

$3^2\times 5^1\times {\mathrm{167}}^1\times {\mathrm{2521}}^1$

素因数の和:2699

約数の個数: 24

約数和(自身を含む): 33048288

約数和(自身を除く): 14102973

約数列:

[1, 3, 5, 9, 15, 45, 167, 501, 835, 1503, 2505, 2521, 7515, 7563, 12605, 22689, 37815, 113445, 421007, 1263021, 2105035, 3789063, 6315105, 18945315]

約数ペア:

[(1, 18945315), (3, 6315105), (5, 3789063), (9, 2105035), (15, 1263021), (45, 421007), (167, 113445), (501, 37815), (835, 22689), (1503, 12605), (2505, 7563), (2521, 7515)]