19528192

素因数分解:

$2^9\times {\mathrm{43}}^1\times {\mathrm{887}}^1$

素因数の和:948

約数の個数: 40

約数和(自身を含む): 39970656

約数和(自身を除く): 20442464

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 86, 128, 172, 256, 344, 512, 688, 887, 1376, 1774, 2752, 3548, 5504, 7096, 11008, 14192, 22016, 28384, 38141, 56768, 76282, 113536, 152564, 227072, 305128, 454144, 610256, 1220512, 2441024, 4882048, 9764096, 19528192]

約数ペア:

[(1, 19528192), (2, 9764096), (4, 4882048), (8, 2441024), (16, 1220512), (32, 610256), (43, 454144), (64, 305128), (86, 227072), (128, 152564), (172, 113536), (256, 76282), (344, 56768), (512, 38141), (688, 28384), (887, 22016), (1376, 14192), (1774, 11008), (2752, 7096), (3548, 5504)]