19553481

素因数分解:

$3^5\times {\mathrm{67}}^1\times {\mathrm{1201}}^1$

素因数の和:1283

約数の個数: 24

約数和(自身を含む): 29751904

約数和(自身を除く): 10198423

約数列:

[1, 3, 9, 27, 67, 81, 201, 243, 603, 1201, 1809, 3603, 5427, 10809, 16281, 32427, 80467, 97281, 241401, 291843, 724203, 2172609, 6517827, 19553481]

約数ペア:

[(1, 19553481), (3, 6517827), (9, 2172609), (27, 724203), (67, 291843), (81, 241401), (201, 97281), (243, 80467), (603, 32427), (1201, 16281), (1809, 10809), (3603, 5427)]