26991856

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{88789}}^1$

素因数の和:88816

約数の個数: 20

約数和(自身を含む): 55049800

約数和(自身を除く): 28057944

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 88789, 177578, 355156, 710312, 1420624, 1686991, 3373982, 6747964, 13495928, 26991856]

約数ペア:

[(1, 26991856), (2, 13495928), (4, 6747964), (8, 3373982), (16, 1686991), (19, 1420624), (38, 710312), (76, 355156), (152, 177578), (304, 88789)]