18719378

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{373}}^1\times {\mathrm{1091}}^1$

素因数の和:1489

約数の個数: 16

約数和(自身を含む): 29405376

約数和(自身を除く): 10685998

約数列:

[1, 2, 23, 46, 373, 746, 1091, 2182, 8579, 17158, 25093, 50186, 406943, 813886, 9359689, 18719378]

約数ペア:

[(1, 18719378), (2, 9359689), (23, 813886), (46, 406943), (373, 50186), (746, 25093), (1091, 17158), (2182, 8579)]