19902084

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{72109}}^1$

素因数の和:72139

約数の個数: 24

約数和(自身を含む): 48457920

約数和(自身を除く): 28555836

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 92, 138, 276, 72109, 144218, 216327, 288436, 432654, 865308, 1658507, 3317014, 4975521, 6634028, 9951042, 19902084]

約数ペア:

[(1, 19902084), (2, 9951042), (3, 6634028), (4, 4975521), (6, 3317014), (12, 1658507), (23, 865308), (46, 432654), (69, 288436), (92, 216327), (138, 144218), (276, 72109)]