19349495

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{2531}}^1$

素因数の和:2686

約数の個数: 16

約数和(自身を含む): 25522560

約数和(自身を除く): 6173065

約数列:

[1, 5, 11, 55, 139, 695, 1529, 2531, 7645, 12655, 27841, 139205, 351809, 1759045, 3869899, 19349495]

約数ペア:

[(1, 19349495), (5, 3869899), (11, 1759045), (55, 351809), (139, 139205), (695, 27841), (1529, 12655), (2531, 7645)]