19307740

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{13597}}^1$

素因数の和:13677

約数の個数: 24

約数和(自身を含む): 41120352

約数和(自身を除く): 21812612

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 13597, 27194, 54388, 67985, 135970, 271940, 965387, 1930774, 3861548, 4826935, 9653870, 19307740]

約数ペア:

[(1, 19307740), (2, 9653870), (4, 4826935), (5, 3861548), (10, 1930774), (20, 965387), (71, 271940), (142, 135970), (284, 67985), (355, 54388), (710, 27194), (1420, 13597)]