18427731

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{30259}}^1$

素因数の和:30298

約数の個数: 16

約数和(自身を含む): 29049600

約数和(自身を除く): 10621869

約数列:

[1, 3, 7, 21, 29, 87, 203, 609, 30259, 90777, 211813, 635439, 877511, 2632533, 6142577, 18427731]

約数ペア:

[(1, 18427731), (3, 6142577), (7, 2632533), (21, 877511), (29, 635439), (87, 211813), (203, 90777), (609, 30259)]