1949540

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{911}}^1$

素因数の和:1027

約数の個数: 24

約数和(自身を含む): 4136832

約数和(自身を除く): 2187292

約数列:

[1, 2, 4, 5, 10, 20, 107, 214, 428, 535, 911, 1070, 1822, 2140, 3644, 4555, 9110, 18220, 97477, 194954, 389908, 487385, 974770, 1949540]

約数ペア:

[(1, 1949540), (2, 974770), (4, 487385), (5, 389908), (10, 194954), (20, 97477), (107, 18220), (214, 9110), (428, 4555), (535, 3644), (911, 2140), (1070, 1822)]