19172945

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{7417}}^1$

素因数の和:7480

約数の個数: 16

約数和(自身を含む): 25636608

約数和(自身を除く): 6463663

約数列:

[1, 5, 11, 47, 55, 235, 517, 2585, 7417, 37085, 81587, 348599, 407935, 1742995, 3834589, 19172945]

約数ペア:

[(1, 19172945), (5, 3834589), (11, 1742995), (47, 407935), (55, 348599), (235, 81587), (517, 37085), (2585, 7417)]