19288780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{137777}}^1$

素因数の和:137793

約数の個数: 24

約数和(自身を含む): 46293408

約数和(自身を除く): 27004628

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 137777, 275554, 551108, 688885, 964439, 1377770, 1928878, 2755540, 3857756, 4822195, 9644390, 19288780]

約数ペア:

[(1, 19288780), (2, 9644390), (4, 4822195), (5, 3857756), (7, 2755540), (10, 1928878), (14, 1377770), (20, 964439), (28, 688885), (35, 551108), (70, 275554), (140, 137777)]