13428230

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{18913}}^1$

素因数の和:18991

約数の個数: 16

約数和(自身を含む): 24512544

約数和(自身を除く): 11084314

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 18913, 37826, 94565, 189130, 1342823, 2685646, 6714115, 13428230]

約数ペア:

[(1, 13428230), (2, 6714115), (5, 2685646), (10, 1342823), (71, 189130), (142, 94565), (355, 37826), (710, 18913)]