18431606

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{2003}}^1$

素因数の和:2155

約数の個数: 16

約数和(自身を含む): 28569024

約数和(自身を除く): 10137418

約数列:

[1, 2, 43, 86, 107, 214, 2003, 4006, 4601, 9202, 86129, 172258, 214321, 428642, 9215803, 18431606]

約数ペア:

[(1, 18431606), (2, 9215803), (43, 428642), (86, 214321), (107, 172258), (214, 86129), (2003, 9202), (4006, 4601)]