19686153

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{2777}}^1$

素因数の和:2936

約数の個数: 16

約数和(自身を含む): 28002240

約数和(自身を除く): 8316087

約数列:

[1, 3, 17, 51, 139, 417, 2363, 2777, 7089, 8331, 47209, 141627, 386003, 1158009, 6562051, 19686153]

約数ペア:

[(1, 19686153), (3, 6562051), (17, 1158009), (51, 386003), (139, 141627), (417, 47209), (2363, 8331), (2777, 7089)]