18670202

素因数分解:

$2^1\times {\mathrm{139}}^1\times {\mathrm{239}}^1\times {\mathrm{281}}^1$

素因数の和:661

約数の個数: 16

約数和(自身を含む): 28425600

約数和(自身を除く): 9755398

約数列:

[1, 2, 139, 239, 278, 281, 478, 562, 33221, 39059, 66442, 67159, 78118, 134318, 9335101, 18670202]

約数ペア:

[(1, 18670202), (2, 9335101), (139, 134318), (239, 78118), (278, 67159), (281, 66442), (478, 39059), (562, 33221)]