19725568

素因数分解:

$2^8\times {\mathrm{29}}^1\times {\mathrm{2657}}^1$

素因数の和:2702

約数の個数: 36

約数和(自身を含む): 40747140

約数和(自身を除く): 21021572

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 64, 116, 128, 232, 256, 464, 928, 1856, 2657, 3712, 5314, 7424, 10628, 21256, 42512, 77053, 85024, 154106, 170048, 308212, 340096, 616424, 680192, 1232848, 2465696, 4931392, 9862784, 19725568]

約数ペア:

[(1, 19725568), (2, 9862784), (4, 4931392), (8, 2465696), (16, 1232848), (29, 680192), (32, 616424), (58, 340096), (64, 308212), (116, 170048), (128, 154106), (232, 85024), (256, 77053), (464, 42512), (928, 21256), (1856, 10628), (2657, 7424), (3712, 5314)]