18638848

素因数分解:

$2^{11}\times {\mathrm{19}}^1\times {\mathrm{479}}^1$

素因数の和:520

約数の個数: 48

約数和(自身を含む): 39312000

約数和(自身を除く): 20673152

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 256, 304, 479, 512, 608, 958, 1024, 1216, 1916, 2048, 2432, 3832, 4864, 7664, 9101, 9728, 15328, 18202, 19456, 30656, 36404, 38912, 61312, 72808, 122624, 145616, 245248, 291232, 490496, 582464, 980992, 1164928, 2329856, 4659712, 9319424, 18638848]

約数ペア:

[(1, 18638848), (2, 9319424), (4, 4659712), (8, 2329856), (16, 1164928), (19, 980992), (32, 582464), (38, 490496), (64, 291232), (76, 245248), (128, 145616), (152, 122624), (256, 72808), (304, 61312), (479, 38912), (512, 36404), (608, 30656), (958, 19456), (1024, 18202), (1216, 15328), (1916, 9728), (2048, 9101), (2432, 7664), (3832, 4864)]