19680070

素因数分解:

$2^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{26959}}^1$

素因数の和:27039

約数の個数: 16

約数和(自身を含む): 35910720

約数和(自身を除く): 16230650

約数列:

[1, 2, 5, 10, 73, 146, 365, 730, 26959, 53918, 134795, 269590, 1968007, 3936014, 9840035, 19680070]

約数ペア:

[(1, 19680070), (2, 9840035), (5, 3936014), (10, 1968007), (73, 269590), (146, 134795), (365, 53918), (730, 26959)]