18920668

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{1847}}^1$

素因数の和:2061

約数の個数: 24

約数和(自身を含む): 35858592

約数和(自身を除く): 16937924

約数列:

[1, 2, 4, 13, 26, 52, 197, 394, 788, 1847, 2561, 3694, 5122, 7388, 10244, 24011, 48022, 96044, 363859, 727718, 1455436, 4730167, 9460334, 18920668]

約数ペア:

[(1, 18920668), (2, 9460334), (4, 4730167), (13, 1455436), (26, 727718), (52, 363859), (197, 96044), (394, 48022), (788, 24011), (1847, 10244), (2561, 7388), (3694, 5122)]