18236281

素因数分解:

$7^3\times {\mathrm{79}}^1\times {\mathrm{673}}^1$

素因数の和:773

約数の個数: 16

約数和(自身を含む): 21568000

約数和(自身を除く): 3331719

約数列:

[1, 7, 49, 79, 343, 553, 673, 3871, 4711, 27097, 32977, 53167, 230839, 372169, 2605183, 18236281]

約数ペア:

[(1, 18236281), (7, 2605183), (49, 372169), (79, 230839), (343, 53167), (553, 32977), (673, 27097), (3871, 4711)]