18791894

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{313}}^1\times {\mathrm{2729}}^1$

素因数の和:3055

約数の個数: 16

約数和(自身を含む): 30859920

約数和(自身を除く): 12068026

約数列:

[1, 2, 11, 22, 313, 626, 2729, 3443, 5458, 6886, 30019, 60038, 854177, 1708354, 9395947, 18791894]

約数ペア:

[(1, 18791894), (2, 9395947), (11, 1708354), (22, 854177), (313, 60038), (626, 30019), (2729, 6886), (3443, 5458)]