18861227

素因数分解:

$7^3\times {\mathrm{11}}^1\times {\mathrm{4999}}^1$

素因数の和:5031

約数の個数: 16

約数和(自身を含む): 24000000

約数和(自身を除く): 5138773

約数列:

[1, 7, 11, 49, 77, 343, 539, 3773, 4999, 34993, 54989, 244951, 384923, 1714657, 2694461, 18861227]

約数ペア:

[(1, 18861227), (7, 2694461), (11, 1714657), (49, 384923), (77, 244951), (343, 54989), (539, 34993), (3773, 4999)]