18285578

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{1427}}^1$

素因数の和:1621

約数の個数: 16

約数和(自身を含む): 28274400

約数和(自身を除く): 9988822

約数列:

[1, 2, 43, 86, 149, 298, 1427, 2854, 6407, 12814, 61361, 122722, 212623, 425246, 9142789, 18285578]

約数ペア:

[(1, 18285578), (2, 9142789), (43, 425246), (86, 212623), (149, 122722), (298, 61361), (1427, 12814), (2854, 6407)]