18928876

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{53171}}^1$

素因数の和:53264

約数の個数: 12

約数和(自身を含む): 33498360

約数和(自身を除く): 14569484

約数列:

[1, 2, 4, 89, 178, 356, 53171, 106342, 212684, 4732219, 9464438, 18928876]

約数ペア:

[(1, 18928876), (2, 9464438), (4, 4732219), (89, 212684), (178, 106342), (356, 53171)]