18996279

素因数分解:

$3^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1\times {\mathrm{683}}^1$

素因数の和:886

約数の個数: 16

約数和(自身を含む): 25915392

約数和(自身を除く): 6919113

約数列:

[1, 3, 73, 127, 219, 381, 683, 2049, 9271, 27813, 49859, 86741, 149577, 260223, 6332093, 18996279]

約数ペア:

[(1, 18996279), (3, 6332093), (73, 260223), (127, 149577), (219, 86741), (381, 49859), (683, 27813), (2049, 9271)]