18554288

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{16333}}^1$

素因数の和:16412

約数の個数: 20

約数和(自身を含む): 36457488

約数和(自身を除く): 17903200

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 16333, 32666, 65332, 130664, 261328, 1159643, 2319286, 4638572, 9277144, 18554288]

約数ペア:

[(1, 18554288), (2, 9277144), (4, 4638572), (8, 2319286), (16, 1159643), (71, 261328), (142, 130664), (284, 65332), (568, 32666), (1136, 16333)]