1945540

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1093}}^1$

素因数の和:1191

約数の個数: 24

約数和(自身を含む): 4135320

約数和(自身を除く): 2189780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1093, 1780, 2186, 4372, 5465, 10930, 21860, 97277, 194554, 389108, 486385, 972770, 1945540]

約数ペア:

[(1, 1945540), (2, 972770), (4, 486385), (5, 389108), (10, 194554), (20, 97277), (89, 21860), (178, 10930), (356, 5465), (445, 4372), (890, 2186), (1093, 1780)]