19680728

素因数分解:

$2^3\times {\mathrm{1129}}^1\times {\mathrm{2179}}^1$

素因数の和:3314

約数の個数: 16

約数和(自身を含む): 36951000

約数和(自身を除く): 17270272

約数列:

[1, 2, 4, 8, 1129, 2179, 2258, 4358, 4516, 8716, 9032, 17432, 2460091, 4920182, 9840364, 19680728]

約数ペア:

[(1, 19680728), (2, 9840364), (4, 4920182), (8, 2460091), (1129, 17432), (2179, 9032), (2258, 8716), (4358, 4516)]