18825728

素因数分解:

$2^9\times {\mathrm{83}}^1\times {\mathrm{443}}^1$

素因数の和:544

約数の個数: 40

約数和(自身を含む): 38153808

約数和(自身を除く): 19328080

約数列:

[1, 2, 4, 8, 16, 32, 64, 83, 128, 166, 256, 332, 443, 512, 664, 886, 1328, 1772, 2656, 3544, 5312, 7088, 10624, 14176, 21248, 28352, 36769, 42496, 56704, 73538, 113408, 147076, 226816, 294152, 588304, 1176608, 2353216, 4706432, 9412864, 18825728]

約数ペア:

[(1, 18825728), (2, 9412864), (4, 4706432), (8, 2353216), (16, 1176608), (32, 588304), (64, 294152), (83, 226816), (128, 147076), (166, 113408), (256, 73538), (332, 56704), (443, 42496), (512, 36769), (664, 28352), (886, 21248), (1328, 14176), (1772, 10624), (2656, 7088), (3544, 5312)]