18218785

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{2207}}^1$

素因数の和:2352

約数の個数: 16

約数和(自身を含む): 23740416

約数和(自身を除く): 5521631

約数列:

[1, 5, 13, 65, 127, 635, 1651, 2207, 8255, 11035, 28691, 143455, 280289, 1401445, 3643757, 18218785]

約数ペア:

[(1, 18218785), (5, 3643757), (13, 1401445), (65, 280289), (127, 143455), (635, 28691), (1651, 11035), (2207, 8255)]