18874368

素因数分解:

$2^{21}\times 3^2$

素因数の和:48

約数の個数: 66

約数和(自身を含む): 54525939

約数和(自身を除く): 35651571

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 128, 144, 192, 256, 288, 384, 512, 576, 768, 1024, 1152, 1536, 2048, 2304, 3072, 4096, 4608, 6144, 8192, 9216, 12288, 16384, 18432, 24576, 32768, 36864, 49152, 65536, 73728, 98304, 131072, 147456, 196608, 262144, 294912, 393216, 524288, 589824, 786432, 1048576, 1179648, 1572864, 2097152, 2359296, 3145728, 4718592, 6291456, 9437184, 18874368]

約数ペア:

[(1, 18874368), (2, 9437184), (3, 6291456), (4, 4718592), (6, 3145728), (8, 2359296), (9, 2097152), (12, 1572864), (16, 1179648), (18, 1048576), (24, 786432), (32, 589824), (36, 524288), (48, 393216), (64, 294912), (72, 262144), (96, 196608), (128, 147456), (144, 131072), (192, 98304), (256, 73728), (288, 65536), (384, 49152), (512, 36864), (576, 32768), (768, 24576), (1024, 18432), (1152, 16384), (1536, 12288), (2048, 9216), (2304, 8192), (3072, 6144), (4096, 4608)]