19804108

素因数分解:

$2^2\times {\mathrm{47}}^1\times {\mathrm{105341}}^1$

素因数の和:105392

約数の個数: 12

約数和(自身を含む): 35394912

約数和(自身を除く): 15590804

約数列:

[1, 2, 4, 47, 94, 188, 105341, 210682, 421364, 4951027, 9902054, 19804108]

約数ペア:

[(1, 19804108), (2, 9902054), (4, 4951027), (47, 421364), (94, 210682), (188, 105341)]