219053717

素因数分解:

${\mathrm{19}}^2\times {\mathrm{53}}^1\times {\mathrm{107}}^2$

素因数の和:305

約数の個数: 18

約数和(自身を含む): 237773718

約数和(自身を除く): 18720001

約数列:

[1, 19, 53, 107, 361, 1007, 2033, 5671, 11449, 19133, 38627, 107749, 217531, 606797, 2047231, 4133089, 11529143, 219053717]

約数ペア:

[(1, 219053717), (19, 11529143), (53, 4133089), (107, 2047231), (361, 606797), (1007, 217531), (2033, 107749), (5671, 38627), (11449, 19133)]