19168768

素因数分解:

$2^9\times {\mathrm{29}}^1\times {\mathrm{1291}}^1$

素因数の和:1338

約数の個数: 40

約数和(自身を含む): 39651480

約数和(自身を除く): 20482712

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 64, 116, 128, 232, 256, 464, 512, 928, 1291, 1856, 2582, 3712, 5164, 7424, 10328, 14848, 20656, 37439, 41312, 74878, 82624, 149756, 165248, 299512, 330496, 599024, 660992, 1198048, 2396096, 4792192, 9584384, 19168768]

約数ペア:

[(1, 19168768), (2, 9584384), (4, 4792192), (8, 2396096), (16, 1198048), (29, 660992), (32, 599024), (58, 330496), (64, 299512), (116, 165248), (128, 149756), (232, 82624), (256, 74878), (464, 41312), (512, 37439), (928, 20656), (1291, 14848), (1856, 10328), (2582, 7424), (3712, 5164)]