19297359

素因数分解:

$3^6\times {\mathrm{103}}^1\times {\mathrm{257}}^1$

素因数の和:378

約数の個数: 28

約数和(自身を含む): 29327376

約数和(自身を除く): 10030017

約数列:

[1, 3, 9, 27, 81, 103, 243, 257, 309, 729, 771, 927, 2313, 2781, 6939, 8343, 20817, 25029, 26471, 62451, 75087, 79413, 187353, 238239, 714717, 2144151, 6432453, 19297359]

約数ペア:

[(1, 19297359), (3, 6432453), (9, 2144151), (27, 714717), (81, 238239), (103, 187353), (243, 79413), (257, 75087), (309, 62451), (729, 26471), (771, 25029), (927, 20817), (2313, 8343), (2781, 6939)]