18510317

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{433}}^1$

素因数の和:668

約数の個数: 16

約数和(自身を含む): 21998592

約数和(自身を除く): 3488275

約数列:

[1, 7, 31, 197, 217, 433, 1379, 3031, 6107, 13423, 42749, 85301, 93961, 597107, 2644331, 18510317]

約数ペア:

[(1, 18510317), (7, 2644331), (31, 597107), (197, 93961), (217, 85301), (433, 42749), (1379, 13423), (3031, 6107)]