168542236

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{116719}}^1$

素因数の和:116761

約数の個数: 18

約数和(自身を含む): 311292240

約数和(自身を除く): 142750004

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 116719, 233438, 466876, 2217661, 4435322, 8870644, 42135559, 84271118, 168542236]

約数ペア:

[(1, 168542236), (2, 84271118), (4, 42135559), (19, 8870644), (38, 4435322), (76, 2217661), (361, 466876), (722, 233438), (1444, 116719)]