19693360

素因数分解:

$2^4\times 5^1\times {\mathrm{246167}}^1$

素因数の和:246180

約数の個数: 20

約数和(自身を含む): 45787248

約数和(自身を除く): 26093888

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 246167, 492334, 984668, 1230835, 1969336, 2461670, 3938672, 4923340, 9846680, 19693360]

約数ペア:

[(1, 19693360), (2, 9846680), (4, 4923340), (5, 3938672), (8, 2461670), (10, 1969336), (16, 1230835), (20, 984668), (40, 492334), (80, 246167)]