18877168

素因数分解:

$2^4\times {\mathrm{59}}^1\times {\mathrm{19997}}^1$

素因数の和:20064

約数の個数: 20

約数和(自身を含む): 37196280

約数和(自身を除く): 18319112

約数列:

[1, 2, 4, 8, 16, 59, 118, 236, 472, 944, 19997, 39994, 79988, 159976, 319952, 1179823, 2359646, 4719292, 9438584, 18877168]

約数ペア:

[(1, 18877168), (2, 9438584), (4, 4719292), (8, 2359646), (16, 1179823), (59, 319952), (118, 159976), (236, 79988), (472, 39994), (944, 19997)]