19577330

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{21997}}^1$

素因数の和:22093

約数の個数: 16

約数和(自身を含む): 35636760

約数和(自身を除く): 16059430

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 21997, 43994, 109985, 219970, 1957733, 3915466, 9788665, 19577330]

約数ペア:

[(1, 19577330), (2, 9788665), (5, 3915466), (10, 1957733), (89, 219970), (178, 109985), (445, 43994), (890, 21997)]