19090809

素因数分解:

$3^5\times {\mathrm{251}}^1\times {\mathrm{313}}^1$

素因数の和:579

約数の個数: 24

約数和(自身を含む): 28802592

約数和(自身を除く): 9711783

約数列:

[1, 3, 9, 27, 81, 243, 251, 313, 753, 939, 2259, 2817, 6777, 8451, 20331, 25353, 60993, 76059, 78563, 235689, 707067, 2121201, 6363603, 19090809]

約数ペア:

[(1, 19090809), (3, 6363603), (9, 2121201), (27, 707067), (81, 235689), (243, 78563), (251, 76059), (313, 60993), (753, 25353), (939, 20331), (2259, 8451), (2817, 6777)]