19451392

素因数分解:

$2^9\times {\mathrm{37991}}^1$

素因数の和:38009

約数の個数: 20

約数和(自身を含む): 38865816

約数和(自身を除く): 19414424

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 37991, 75982, 151964, 303928, 607856, 1215712, 2431424, 4862848, 9725696, 19451392]

約数ペア:

[(1, 19451392), (2, 9725696), (4, 4862848), (8, 2431424), (16, 1215712), (32, 607856), (64, 303928), (128, 151964), (256, 75982), (512, 37991)]