19484576

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{439}}^1$

素因数の和:541

約数の個数: 48

約数和(自身を含む): 41025600

約数和(自身を除く): 21541024

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 73, 76, 146, 152, 292, 304, 439, 584, 608, 878, 1168, 1387, 1756, 2336, 2774, 3512, 5548, 7024, 8341, 11096, 14048, 16682, 22192, 32047, 33364, 44384, 64094, 66728, 128188, 133456, 256376, 266912, 512752, 608893, 1025504, 1217786, 2435572, 4871144, 9742288, 19484576]

約数ペア:

[(1, 19484576), (2, 9742288), (4, 4871144), (8, 2435572), (16, 1217786), (19, 1025504), (32, 608893), (38, 512752), (73, 266912), (76, 256376), (146, 133456), (152, 128188), (292, 66728), (304, 64094), (439, 44384), (584, 33364), (608, 32047), (878, 22192), (1168, 16682), (1387, 14048), (1756, 11096), (2336, 8341), (2774, 7024), (3512, 5548)]