18949143

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{3221}}^1$

素因数の和:3314

約数の個数: 16

約数和(自身を含む): 26446176

約数和(自身を除く): 7497033

約数列:

[1, 3, 37, 53, 111, 159, 1961, 3221, 5883, 9663, 119177, 170713, 357531, 512139, 6316381, 18949143]

約数ペア:

[(1, 18949143), (3, 6316381), (37, 512139), (53, 357531), (111, 170713), (159, 119177), (1961, 9663), (3221, 5883)]