20191143

素因数分解:

$3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{13171}}^1$

素因数の和:13254

約数の個数: 16

約数和(自身を含む): 31191296

約数和(自身を除く): 11000153

約数列:

[1, 3, 7, 21, 73, 219, 511, 1533, 13171, 39513, 92197, 276591, 961483, 2884449, 6730381, 20191143]

約数ペア:

[(1, 20191143), (3, 6730381), (7, 2884449), (21, 961483), (73, 276591), (219, 92197), (511, 39513), (1533, 13171)]