18142460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{129589}}^1$

素因数の和:129605

約数の個数: 24

約数和(自身を含む): 43542240

約数和(自身を除く): 25399780

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 129589, 259178, 518356, 647945, 907123, 1295890, 1814246, 2591780, 3628492, 4535615, 9071230, 18142460]

約数ペア:

[(1, 18142460), (2, 9071230), (4, 4535615), (5, 3628492), (7, 2591780), (10, 1814246), (14, 1295890), (20, 907123), (28, 647945), (35, 518356), (70, 259178), (140, 129589)]