18560140

素因数分解:

$2^2\times 5^1\times {\mathrm{743}}^1\times {\mathrm{1249}}^1$

素因数の和:2001

約数の個数: 24

約数和(自身を含む): 39060000

約数和(自身を除く): 20499860

約数列:

[1, 2, 4, 5, 10, 20, 743, 1249, 1486, 2498, 2972, 3715, 4996, 6245, 7430, 12490, 14860, 24980, 928007, 1856014, 3712028, 4640035, 9280070, 18560140]

約数ペア:

[(1, 18560140), (2, 9280070), (4, 4640035), (5, 3712028), (10, 1856014), (20, 928007), (743, 24980), (1249, 14860), (1486, 12490), (2498, 7430), (2972, 6245), (3715, 4996)]