19230291

素因数分解:

$3^9\times {\mathrm{977}}^1$

素因数の和:1004

約数の個数: 20

約数和(自身を含む): 28874472

約数和(自身を除く): 9644181

約数列:

[1, 3, 9, 27, 81, 243, 729, 977, 2187, 2931, 6561, 8793, 19683, 26379, 79137, 237411, 712233, 2136699, 6410097, 19230291]

約数ペア:

[(1, 19230291), (3, 6410097), (9, 2136699), (27, 712233), (81, 237411), (243, 79137), (729, 26379), (977, 19683), (2187, 8793), (2931, 6561)]