19186489

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{743}}^1$

素因数の和:805

約数の個数: 24

約数和(自身を含む): 24427008

約数和(自身を除く): 5240519

約数列:

[1, 7, 17, 31, 49, 119, 217, 527, 743, 833, 1519, 3689, 5201, 12631, 23033, 25823, 36407, 88417, 161231, 391561, 618919, 1128617, 2740927, 19186489]

約数ペア:

[(1, 19186489), (7, 2740927), (17, 1128617), (31, 618919), (49, 391561), (119, 161231), (217, 88417), (527, 36407), (743, 25823), (833, 23033), (1519, 12631), (3689, 5201)]