18379815

素因数分解:

$3^1\times 5^1\times {\mathrm{449}}^1\times {\mathrm{2729}}^1$

素因数の和:3186

約数の個数: 16

約数和(自身を含む): 29484000

約数和(自身を除く): 11104185

約数列:

[1, 3, 5, 15, 449, 1347, 2245, 2729, 6735, 8187, 13645, 40935, 1225321, 3675963, 6126605, 18379815]

約数ペア:

[(1, 18379815), (3, 6126605), (5, 3675963), (15, 1225321), (449, 40935), (1347, 13645), (2245, 8187), (2729, 6735)]