18185020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{129893}}^1$

素因数の和:129909

約数の個数: 24

約数和(自身を含む): 43644384

約数和(自身を除く): 25459364

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 129893, 259786, 519572, 649465, 909251, 1298930, 1818502, 2597860, 3637004, 4546255, 9092510, 18185020]

約数ペア:

[(1, 18185020), (2, 9092510), (4, 4546255), (5, 3637004), (7, 2597860), (10, 1818502), (14, 1298930), (20, 909251), (28, 649465), (35, 519572), (70, 259786), (140, 129893)]