18231479

素因数分解:

$7^3\times {\mathrm{23}}^1\times {\mathrm{2311}}^1$

素因数の和:2355

約数の個数: 16

約数和(自身を含む): 22195200

約数和(自身を除く): 3963721

約数列:

[1, 7, 23, 49, 161, 343, 1127, 2311, 7889, 16177, 53153, 113239, 372071, 792673, 2604497, 18231479]

約数ペア:

[(1, 18231479), (7, 2604497), (23, 792673), (49, 372071), (161, 113239), (343, 53153), (1127, 16177), (2311, 7889)]