18068540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{129061}}^1$

素因数の和:129077

約数の個数: 24

約数和(自身を含む): 43364832

約数和(自身を除く): 25296292

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 129061, 258122, 516244, 645305, 903427, 1290610, 1806854, 2581220, 3613708, 4517135, 9034270, 18068540]

約数ペア:

[(1, 18068540), (2, 9034270), (4, 4517135), (5, 3613708), (7, 2581220), (10, 1806854), (14, 1290610), (20, 903427), (28, 645305), (35, 516244), (70, 258122), (140, 129061)]