19580278

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{439}}^1\times {\mathrm{769}}^1$

素因数の和:1239

約数の個数: 16

約数和(自身を含む): 30492000

約数和(自身を除く): 10911722

約数列:

[1, 2, 29, 58, 439, 769, 878, 1538, 12731, 22301, 25462, 44602, 337591, 675182, 9790139, 19580278]

約数ペア:

[(1, 19580278), (2, 9790139), (29, 675182), (58, 337591), (439, 44602), (769, 25462), (878, 22301), (1538, 12731)]