19974910

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{68879}}^1$

素因数の和:68915

約数の個数: 16

約数和(自身を含む): 37195200

約数和(自身を除く): 17220290

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 68879, 137758, 344395, 688790, 1997491, 3994982, 9987455, 19974910]

約数ペア:

[(1, 19974910), (2, 9987455), (5, 3994982), (10, 1997491), (29, 688790), (58, 344395), (145, 137758), (290, 68879)]