19644970

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{22073}}^1$

素因数の和:22169

約数の個数: 16

約数和(自身を含む): 35759880

約数和(自身を除く): 16114910

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 22073, 44146, 110365, 220730, 1964497, 3928994, 9822485, 19644970]

約数ペア:

[(1, 19644970), (2, 9822485), (5, 3928994), (10, 1964497), (89, 220730), (178, 110365), (445, 44146), (890, 22073)]