19780096

素因数分解:

$2^9\times 7^1\times {\mathrm{5519}}^1$

素因数の和:5544

約数の個数: 40

約数和(自身を含む): 45175680

約数和(自身を除く): 25395584

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 512, 896, 1792, 3584, 5519, 11038, 22076, 38633, 44152, 77266, 88304, 154532, 176608, 309064, 353216, 618128, 706432, 1236256, 1412864, 2472512, 2825728, 4945024, 9890048, 19780096]

約数ペア:

[(1, 19780096), (2, 9890048), (4, 4945024), (7, 2825728), (8, 2472512), (14, 1412864), (16, 1236256), (28, 706432), (32, 618128), (56, 353216), (64, 309064), (112, 176608), (128, 154532), (224, 88304), (256, 77266), (448, 44152), (512, 38633), (896, 22076), (1792, 11038), (3584, 5519)]