19922944

素因数分解:

$2^{20}\times {\mathrm{19}}^1$

素因数の和:59

約数の個数: 42

約数和(自身を含む): 41943020

約数和(自身を除く): 22020076

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 256, 304, 512, 608, 1024, 1216, 2048, 2432, 4096, 4864, 8192, 9728, 16384, 19456, 32768, 38912, 65536, 77824, 131072, 155648, 262144, 311296, 524288, 622592, 1048576, 1245184, 2490368, 4980736, 9961472, 19922944]

約数ペア:

[(1, 19922944), (2, 9961472), (4, 4980736), (8, 2490368), (16, 1245184), (19, 1048576), (32, 622592), (38, 524288), (64, 311296), (76, 262144), (128, 155648), (152, 131072), (256, 77824), (304, 65536), (512, 38912), (608, 32768), (1024, 19456), (1216, 16384), (2048, 9728), (2432, 8192), (4096, 4864)]