19657377

素因数分解:

$3^3\times {\mathrm{311}}^1\times {\mathrm{2341}}^1$

素因数の和:2661

約数の個数: 16

約数和(自身を含む): 29228160

約数和(自身を除く): 9570783

約数列:

[1, 3, 9, 27, 311, 933, 2341, 2799, 7023, 8397, 21069, 63207, 728051, 2184153, 6552459, 19657377]

約数ペア:

[(1, 19657377), (3, 6552459), (9, 2184153), (27, 728051), (311, 63207), (933, 21069), (2341, 8397), (2799, 7023)]