19888045

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{2819}}^1$

素因数の和:2924

約数の個数: 16

約数和(自身を含む): 25583040

約数和(自身を除く): 5694995

約数列:

[1, 5, 17, 83, 85, 415, 1411, 2819, 7055, 14095, 47923, 233977, 239615, 1169885, 3977609, 19888045]

約数ペア:

[(1, 19888045), (5, 3977609), (17, 1169885), (83, 239615), (85, 233977), (415, 47923), (1411, 14095), (2819, 7055)]