18287788690

素因数分解:

$2^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{27295207}}^1$

素因数の和:27295281

約数の個数: 16

約数和(自身を含む): 33409334592

約数和(自身を除く): 15121545902

約数列:

[1, 2, 5, 10, 67, 134, 335, 670, 27295207, 54590414, 136476035, 272952070, 1828778869, 3657557738, 9143894345, 18287788690]

約数ペア:

[(1, 18287788690), (2, 9143894345), (5, 3657557738), (10, 1828778869), (67, 272952070), (134, 136476035), (335, 54590414), (670, 27295207)]