19938447

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{331}}^1$

素因数の和:460

約数の個数: 32

約数和(自身を含む): 31234560

約数和(自身を除く): 11296113

約数列:

[1, 3, 9, 23, 27, 69, 97, 207, 291, 331, 621, 873, 993, 2231, 2619, 2979, 6693, 7613, 8937, 20079, 22839, 32107, 60237, 68517, 96321, 205551, 288963, 738461, 866889, 2215383, 6646149, 19938447]

約数ペア:

[(1, 19938447), (3, 6646149), (9, 2215383), (23, 866889), (27, 738461), (69, 288963), (97, 205551), (207, 96321), (291, 68517), (331, 60237), (621, 32107), (873, 22839), (993, 20079), (2231, 8937), (2619, 7613), (2979, 6693)]