18998594

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{263}}^1\times {\mathrm{1901}}^1$

素因数の和:2185

約数の個数: 16

約数和(自身を含む): 30127680

約数和(自身を除く): 11129086

約数列:

[1, 2, 19, 38, 263, 526, 1901, 3802, 4997, 9994, 36119, 72238, 499963, 999926, 9499297, 18998594]

約数ペア:

[(1, 18998594), (2, 9499297), (19, 999926), (38, 499963), (263, 72238), (526, 36119), (1901, 9994), (3802, 4997)]