19864576

素因数分解:

$2^{10}\times {\mathrm{19}}^1\times {\mathrm{1021}}^1$

素因数の和:1060

約数の個数: 44

約数和(自身を含む): 41840680

約数和(自身を除く): 21976104

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 256, 304, 512, 608, 1021, 1024, 1216, 2042, 2432, 4084, 4864, 8168, 9728, 16336, 19399, 19456, 32672, 38798, 65344, 77596, 130688, 155192, 261376, 310384, 522752, 620768, 1045504, 1241536, 2483072, 4966144, 9932288, 19864576]

約数ペア:

[(1, 19864576), (2, 9932288), (4, 4966144), (8, 2483072), (16, 1241536), (19, 1045504), (32, 620768), (38, 522752), (64, 310384), (76, 261376), (128, 155192), (152, 130688), (256, 77596), (304, 65344), (512, 38798), (608, 32672), (1021, 19456), (1024, 19399), (1216, 16336), (2042, 9728), (2432, 8168), (4084, 4864)]