19763919

素因数分解:

$3^7\times 7^1\times {\mathrm{1291}}^1$

素因数の和:1319

約数の個数: 32

約数和(自身を含む): 33902080

約数和(自身を除く): 14138161

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 729, 1291, 1701, 2187, 3873, 5103, 9037, 11619, 15309, 27111, 34857, 81333, 104571, 243999, 313713, 731997, 941139, 2195991, 2823417, 6587973, 19763919]

約数ペア:

[(1, 19763919), (3, 6587973), (7, 2823417), (9, 2195991), (21, 941139), (27, 731997), (63, 313713), (81, 243999), (189, 104571), (243, 81333), (567, 34857), (729, 27111), (1291, 15309), (1701, 11619), (2187, 9037), (3873, 5103)]