19874540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{141961}}^1$

素因数の和:141977

約数の個数: 24

約数和(自身を含む): 47699232

約数和(自身を除く): 27824692

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 141961, 283922, 567844, 709805, 993727, 1419610, 1987454, 2839220, 3974908, 4968635, 9937270, 19874540]

約数ペア:

[(1, 19874540), (2, 9937270), (4, 4968635), (5, 3974908), (7, 2839220), (10, 1987454), (14, 1419610), (20, 993727), (28, 709805), (35, 567844), (70, 283922), (140, 141961)]