18747728

素因数分解:

$2^4\times {\mathrm{1049}}^1\times {\mathrm{1117}}^1$

素因数の和:2174

約数の個数: 20

約数和(自身を含む): 36390900

約数和(自身を除く): 17643172

約数列:

[1, 2, 4, 8, 16, 1049, 1117, 2098, 2234, 4196, 4468, 8392, 8936, 16784, 17872, 1171733, 2343466, 4686932, 9373864, 18747728]

約数ペア:

[(1, 18747728), (2, 9373864), (4, 4686932), (8, 2343466), (16, 1171733), (1049, 17872), (1117, 16784), (2098, 8936), (2234, 8392), (4196, 4468)]