18810045

素因数分解:

$3^2\times 5^1\times {\mathrm{167}}^1\times {\mathrm{2503}}^1$

素因数の和:2681

約数の個数: 24

約数和(自身を含む): 32812416

約数和(自身を除く): 14002371

約数列:

[1, 3, 5, 9, 15, 45, 167, 501, 835, 1503, 2503, 2505, 7509, 7515, 12515, 22527, 37545, 112635, 418001, 1254003, 2090005, 3762009, 6270015, 18810045]

約数ペア:

[(1, 18810045), (3, 6270015), (5, 3762009), (9, 2090005), (15, 1254003), (45, 418001), (167, 112635), (501, 37545), (835, 22527), (1503, 12515), (2503, 7515), (2505, 7509)]