2018903957

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{213799}}^1$

素因数の和:213896

約数の個数: 16

約数和(自身を含む): 2462976000

約数和(自身を除く): 444072043

約数列:

[1, 7, 19, 71, 133, 497, 1349, 9443, 213799, 1496593, 4062181, 15179729, 28435267, 106258103, 288414851, 2018903957]

約数ペア:

[(1, 2018903957), (7, 288414851), (19, 106258103), (71, 28435267), (133, 15179729), (497, 4062181), (1349, 1496593), (9443, 213799)]