18639656

素因数分解:

$2^3\times 7^1\times {\mathrm{332851}}^1$

素因数の和:332864

約数の個数: 16

約数和(自身を含む): 39942240

約数和(自身を除く): 21302584

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 332851, 665702, 1331404, 2329957, 2662808, 4659914, 9319828, 18639656]

約数ペア:

[(1, 18639656), (2, 9319828), (4, 4659914), (7, 2662808), (8, 2329957), (14, 1331404), (28, 665702), (56, 332851)]