19683986

素因数分解:

$2^1\times 7^2\times {\mathrm{353}}^1\times {\mathrm{569}}^1$

素因数の和:938

約数の個数: 24

約数和(自身を含む): 34504380

約数和(自身を除く): 14820394

約数列:

[1, 2, 7, 14, 49, 98, 353, 569, 706, 1138, 2471, 3983, 4942, 7966, 17297, 27881, 34594, 55762, 200857, 401714, 1405999, 2811998, 9841993, 19683986]

約数ペア:

[(1, 19683986), (2, 9841993), (7, 2811998), (14, 1405999), (49, 401714), (98, 200857), (353, 55762), (569, 34594), (706, 27881), (1138, 17297), (2471, 7966), (3983, 4942)]