18442390

素因数分解:

$2^1\times 5^1\times {\mathrm{439}}^1\times {\mathrm{4201}}^1$

素因数の和:4647

約数の個数: 16

約数和(自身を含む): 33279840

約数和(自身を除く): 14837450

約数列:

[1, 2, 5, 10, 439, 878, 2195, 4201, 4390, 8402, 21005, 42010, 1844239, 3688478, 9221195, 18442390]

約数ペア:

[(1, 18442390), (2, 9221195), (5, 3688478), (10, 1844239), (439, 42010), (878, 21005), (2195, 8402), (4201, 4390)]