19953769

素因数分解:

${\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{881}}^1$

素因数の和:992

約数の個数: 16

約数和(自身を含む): 22861440

約数和(自身を除く): 2907671

約数列:

[1, 11, 29, 71, 319, 781, 881, 2059, 9691, 22649, 25549, 62551, 281039, 688061, 1813979, 19953769]

約数ペア:

[(1, 19953769), (11, 1813979), (29, 688061), (71, 281039), (319, 62551), (781, 25549), (881, 22649), (2059, 9691)]