20180859986

素因数分解:

$2^1\times 7^1\times {\mathrm{563}}^1\times {\mathrm{2560373}}^1$

素因数の和:2560945

約数の個数: 16

約数和(自身を含む): 34657222464

約数和(自身を除く): 14476362478

約数列:

[1, 2, 7, 14, 563, 1126, 3941, 7882, 2560373, 5120746, 17922611, 35845222, 1441489999, 2882979998, 10090429993, 20180859986]

約数ペア:

[(1, 20180859986), (2, 10090429993), (7, 2882979998), (14, 1441489999), (563, 35845222), (1126, 17922611), (3941, 5120746), (7882, 2560373)]