19705113

素因数分解:

$3^5\times {\mathrm{83}}^1\times {\mathrm{977}}^1$

素因数の和:1075

約数の個数: 24

約数和(自身を含む): 29903328

約数和(自身を除く): 10198215

約数列:

[1, 3, 9, 27, 81, 83, 243, 249, 747, 977, 2241, 2931, 6723, 8793, 20169, 26379, 79137, 81091, 237411, 243273, 729819, 2189457, 6568371, 19705113]

約数ペア:

[(1, 19705113), (3, 6568371), (9, 2189457), (27, 729819), (81, 243273), (83, 237411), (243, 81091), (249, 79137), (747, 26379), (977, 20169), (2241, 8793), (2931, 6723)]