18239138

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{9221}}^1$

素因数の和:9289

約数の個数: 16

約数和(自身を含む): 29215296

約数和(自身を除く): 10976158

約数列:

[1, 2, 23, 43, 46, 86, 989, 1978, 9221, 18442, 212083, 396503, 424166, 793006, 9119569, 18239138]

約数ペア:

[(1, 18239138), (2, 9119569), (23, 793006), (43, 424166), (46, 396503), (86, 212083), (989, 18442), (1978, 9221)]