19976242

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{69847}}^1$

素因数の和:69873

約数の個数: 16

約数和(自身を含む): 35203392

約数和(自身を除く): 15227150

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 69847, 139694, 768317, 908011, 1536634, 1816022, 9988121, 19976242]

約数ペア:

[(1, 19976242), (2, 9988121), (11, 1816022), (13, 1536634), (22, 908011), (26, 768317), (143, 139694), (286, 69847)]