18137420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{129553}}^1$

素因数の和:129569

約数の個数: 24

約数和(自身を含む): 43530144

約数和(自身を除く): 25392724

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 129553, 259106, 518212, 647765, 906871, 1295530, 1813742, 2591060, 3627484, 4534355, 9068710, 18137420]

約数ペア:

[(1, 18137420), (2, 9068710), (4, 4534355), (5, 3627484), (7, 2591060), (10, 1813742), (14, 1295530), (20, 906871), (28, 647765), (35, 518212), (70, 259106), (140, 129553)]