19180719

素因数分解:

$3^6\times {\mathrm{83}}^1\times {\mathrm{317}}^1$

素因数の和:418

約数の個数: 28

約数和(自身を含む): 29196216

約数和(自身を除く): 10015497

約数列:

[1, 3, 9, 27, 81, 83, 243, 249, 317, 729, 747, 951, 2241, 2853, 6723, 8559, 20169, 25677, 26311, 60507, 77031, 78933, 231093, 236799, 710397, 2131191, 6393573, 19180719]

約数ペア:

[(1, 19180719), (3, 6393573), (9, 2131191), (27, 710397), (81, 236799), (83, 231093), (243, 78933), (249, 77031), (317, 60507), (729, 26311), (747, 25677), (951, 20169), (2241, 8559), (2853, 6723)]