18770390

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{39937}}^1$

素因数の和:39991

約数の個数: 16

約数和(自身を含む): 34506432

約数和(自身を除く): 15736042

約数列:

[1, 2, 5, 10, 47, 94, 235, 470, 39937, 79874, 199685, 399370, 1877039, 3754078, 9385195, 18770390]

約数ペア:

[(1, 18770390), (2, 9385195), (5, 3754078), (10, 1877039), (47, 399370), (94, 199685), (235, 79874), (470, 39937)]