19900664

素因数分解:

$2^3\times 7^2\times {\mathrm{50767}}^1$

素因数の和:50787

約数の個数: 24

約数和(自身を含む): 43406640

約数和(自身を除く): 23505976

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 392, 50767, 101534, 203068, 355369, 406136, 710738, 1421476, 2487583, 2842952, 4975166, 9950332, 19900664]

約数ペア:

[(1, 19900664), (2, 9950332), (4, 4975166), (7, 2842952), (8, 2487583), (14, 1421476), (28, 710738), (49, 406136), (56, 355369), (98, 203068), (196, 101534), (392, 50767)]