19025020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{135893}}^1$

素因数の和:135909

約数の個数: 24

約数和(自身を含む): 45660384

約数和(自身を除く): 26635364

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 135893, 271786, 543572, 679465, 951251, 1358930, 1902502, 2717860, 3805004, 4756255, 9512510, 19025020]

約数ペア:

[(1, 19025020), (2, 9512510), (4, 4756255), (5, 3805004), (7, 2717860), (10, 1902502), (14, 1358930), (20, 951251), (28, 679465), (35, 543572), (70, 271786), (140, 135893)]