18966701

素因数分解:

${\mathrm{13}}^3\times {\mathrm{89}}^1\times {\mathrm{97}}^1$

素因数の和:225

約数の個数: 16

約数和(自身を含む): 20991600

約数和(自身を除く): 2024899

約数列:

[1, 13, 89, 97, 169, 1157, 1261, 2197, 8633, 15041, 16393, 112229, 195533, 213109, 1458977, 18966701]

約数ペア:

[(1, 18966701), (13, 1458977), (89, 213109), (97, 195533), (169, 112229), (1157, 16393), (1261, 15041), (2197, 8633)]