18515830

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{16987}}^1$

素因数の和:17103

約数の個数: 16

約数和(自身を含む): 33636240

約数和(自身を除く): 15120410

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 16987, 33974, 84935, 169870, 1851583, 3703166, 9257915, 18515830]

約数ペア:

[(1, 18515830), (2, 9257915), (5, 3703166), (10, 1851583), (109, 169870), (218, 84935), (545, 33974), (1090, 16987)]