18698517

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{877}}^1$

素因数の和:1009

約数の個数: 24

約数和(自身を含む): 28489344

約数和(自身を除く): 9790827

約数列:

[1, 3, 9, 23, 69, 103, 207, 309, 877, 927, 2369, 2631, 7107, 7893, 20171, 21321, 60513, 90331, 181539, 270993, 812979, 2077613, 6232839, 18698517]

約数ペア:

[(1, 18698517), (3, 6232839), (9, 2077613), (23, 812979), (69, 270993), (103, 181539), (207, 90331), (309, 60513), (877, 21321), (927, 20171), (2369, 7893), (2631, 7107)]