18897644

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{66541}}^1$

素因数の和:66616

約数の個数: 12

約数和(自身を含む): 33537168

約数和(自身を除く): 14639524

約数列:

[1, 2, 4, 71, 142, 284, 66541, 133082, 266164, 4724411, 9448822, 18897644]

約数ペア:

[(1, 18897644), (2, 9448822), (4, 4724411), (71, 266164), (142, 133082), (284, 66541)]