19665237

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{227}}^1\times {\mathrm{431}}^1$

素因数の和:728

約数の個数: 16

約数和(自身を含む): 26790912

約数和(自身を除く): 7125675

約数列:

[1, 3, 67, 201, 227, 431, 681, 1293, 15209, 28877, 45627, 86631, 97837, 293511, 6555079, 19665237]

約数ペア:

[(1, 19665237), (3, 6555079), (67, 293511), (201, 97837), (227, 86631), (431, 45627), (681, 28877), (1293, 15209)]