18947589

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{211}}^1\times {\mathrm{809}}^1$

素因数の和:1060

約数の個数: 16

約数和(自身を含む): 26101440

約数和(自身を除く): 7153851

約数列:

[1, 3, 37, 111, 211, 633, 809, 2427, 7807, 23421, 29933, 89799, 170699, 512097, 6315863, 18947589]

約数ペア:

[(1, 18947589), (3, 6315863), (37, 512097), (111, 170699), (211, 89799), (633, 29933), (809, 23421), (2427, 7807)]