19438121

素因数分解:

${\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1\times {\mathrm{199}}^1$

素因数の和:368

約数の個数: 16

約数和(自身を含む): 21168000

約数和(自身を除く): 1729879

約数列:

[1, 19, 53, 97, 199, 1007, 1843, 3781, 5141, 10547, 19303, 97679, 200393, 366757, 1023059, 19438121]

約数ペア:

[(1, 19438121), (19, 1023059), (53, 366757), (97, 200393), (199, 97679), (1007, 19303), (1843, 10547), (3781, 5141)]