19371621

素因数分解:

$3^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{577}}^1$

素因数の和:649

約数の個数: 24

約数和(自身を含む): 28187904

約数和(自身を除く): 8816283

約数列:

[1, 3, 19, 31, 57, 93, 361, 577, 589, 1083, 1731, 1767, 10963, 11191, 17887, 32889, 33573, 53661, 208297, 339853, 624891, 1019559, 6457207, 19371621]

約数ペア:

[(1, 19371621), (3, 6457207), (19, 1019559), (31, 624891), (57, 339853), (93, 208297), (361, 53661), (577, 33573), (589, 32889), (1083, 17887), (1731, 11191), (1767, 10963)]