19888168

素因数分解:

$2^3\times {\mathrm{661}}^1\times {\mathrm{3761}}^1$

素因数の和:4428

約数の個数: 16

約数和(自身を含む): 37356660

約数和(自身を除く): 17468492

約数列:

[1, 2, 4, 8, 661, 1322, 2644, 3761, 5288, 7522, 15044, 30088, 2486021, 4972042, 9944084, 19888168]

約数ペア:

[(1, 19888168), (2, 9944084), (4, 4972042), (8, 2486021), (661, 30088), (1322, 15044), (2644, 7522), (3761, 5288)]