19660048

素因数分解:

$2^4\times {\mathrm{137}}^1\times {\mathrm{8969}}^1$

素因数の和:9114

約数の個数: 20

約数和(自身を含む): 38373660

約数和(自身を除く): 18713612

約数列:

[1, 2, 4, 8, 16, 137, 274, 548, 1096, 2192, 8969, 17938, 35876, 71752, 143504, 1228753, 2457506, 4915012, 9830024, 19660048]

約数ペア:

[(1, 19660048), (2, 9830024), (4, 4915012), (8, 2457506), (16, 1228753), (137, 143504), (274, 71752), (548, 35876), (1096, 17938), (2192, 8969)]