18110211

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{45389}}^1$

素因数の和:45418

約数の個数: 16

約数和(自身を含む): 29049600

約数和(自身を除く): 10939389

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 45389, 136167, 317723, 862391, 953169, 2587173, 6036737, 18110211]

約数ペア:

[(1, 18110211), (3, 6036737), (7, 2587173), (19, 953169), (21, 862391), (57, 317723), (133, 136167), (399, 45389)]