20189198

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{2503}}^1$

素因数の和:2651

約数の個数: 16

約数和(自身を含む): 31400160

約数和(自身を除く): 11210962

約数列:

[1, 2, 37, 74, 109, 218, 2503, 4033, 5006, 8066, 92611, 185222, 272827, 545654, 10094599, 20189198]

約数ペア:

[(1, 20189198), (2, 10094599), (37, 545654), (74, 272827), (109, 185222), (218, 92611), (2503, 8066), (4033, 5006)]