18928089

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{193}}^1\times {\mathrm{641}}^1$

素因数の和:857

約数の個数: 24

約数和(自身を含む): 29144232

約数和(自身を除く): 10216143

約数列:

[1, 3, 9, 17, 51, 153, 193, 579, 641, 1737, 1923, 3281, 5769, 9843, 10897, 29529, 32691, 98073, 123713, 371139, 1113417, 2103121, 6309363, 18928089]

約数ペア:

[(1, 18928089), (3, 6309363), (9, 2103121), (17, 1113417), (51, 371139), (153, 123713), (193, 98073), (579, 32691), (641, 29529), (1737, 10897), (1923, 9843), (3281, 5769)]