18999829

素因数分解:

${\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{997}}^1$

素因数の和:1092

約数の個数: 16

約数和(自身を含む): 21556800

約数和(自身を除く): 2556971

約数列:

[1, 17, 19, 59, 323, 997, 1003, 1121, 16949, 18943, 19057, 58823, 322031, 999991, 1117637, 18999829]

約数ペア:

[(1, 18999829), (17, 1117637), (19, 999991), (59, 322031), (323, 58823), (997, 19057), (1003, 18943), (1121, 16949)]