18264880

素因数分解:

$2^4\times 5^1\times {\mathrm{228311}}^1$

素因数の和:228324

約数の個数: 20

約数和(自身を含む): 42466032

約数和(自身を除く): 24201152

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 228311, 456622, 913244, 1141555, 1826488, 2283110, 3652976, 4566220, 9132440, 18264880]

約数ペア:

[(1, 18264880), (2, 9132440), (4, 4566220), (5, 3652976), (8, 2283110), (10, 1826488), (16, 1141555), (20, 913244), (40, 456622), (80, 228311)]