19388143

素因数分解:

${\mathrm{17}}^2\times {\mathrm{73}}^1\times {\mathrm{919}}^1$

素因数の和:1026

約数の個数: 12

約数和(自身を含む): 20900560

約数和(自身を除く): 1512417

約数列:

[1, 17, 73, 289, 919, 1241, 15623, 21097, 67087, 265591, 1140479, 19388143]

約数ペア:

[(1, 19388143), (17, 1140479), (73, 265591), (289, 67087), (919, 21097), (1241, 15623)]