1881994

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1\times {\mathrm{109}}^1$

素因数の和:297

約数の個数: 16

約数和(自身を含む): 2910600

約数和(自身を除く): 1028606

約数列:

[1, 2, 89, 97, 109, 178, 194, 218, 8633, 9701, 10573, 17266, 19402, 21146, 940997, 1881994]

約数ペア:

[(1, 1881994), (2, 940997), (89, 21146), (97, 19402), (109, 17266), (178, 10573), (194, 9701), (218, 8633)]