18867814

素因数分解:

$2^1\times 7^1\times {\mathrm{647}}^1\times {\mathrm{2083}}^1$

素因数の和:2739

約数の個数: 16

約数和(自身を含む): 32410368

約数和(自身を除く): 13542554

約数列:

[1, 2, 7, 14, 647, 1294, 2083, 4166, 4529, 9058, 14581, 29162, 1347701, 2695402, 9433907, 18867814]

約数ペア:

[(1, 18867814), (2, 9433907), (7, 2695402), (14, 1347701), (647, 29162), (1294, 14581), (2083, 9058), (4166, 4529)]