18521872

素因数分解:

$2^4\times {\mathrm{103}}^1\times {\mathrm{11239}}^1$

素因数の和:11350

約数の個数: 20

約数和(自身を含む): 36237760

約数和(自身を除く): 17715888

約数列:

[1, 2, 4, 8, 16, 103, 206, 412, 824, 1648, 11239, 22478, 44956, 89912, 179824, 1157617, 2315234, 4630468, 9260936, 18521872]

約数ペア:

[(1, 18521872), (2, 9260936), (4, 4630468), (8, 2315234), (16, 1157617), (103, 179824), (206, 89912), (412, 44956), (824, 22478), (1648, 11239)]