19966190

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{787}}^1$

素因数の和:896

約数の個数: 32

約数和(自身を含む): 37445760

約数和(自身を除く): 17479570

約数列:

[1, 2, 5, 10, 43, 59, 86, 118, 215, 295, 430, 590, 787, 1574, 2537, 3935, 5074, 7870, 12685, 25370, 33841, 46433, 67682, 92866, 169205, 232165, 338410, 464330, 1996619, 3993238, 9983095, 19966190]

約数ペア:

[(1, 19966190), (2, 9983095), (5, 3993238), (10, 1996619), (43, 464330), (59, 338410), (86, 232165), (118, 169205), (215, 92866), (295, 67682), (430, 46433), (590, 33841), (787, 25370), (1574, 12685), (2537, 7870), (3935, 5074)]