19742397

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{163}}^1\times {\mathrm{859}}^1$

素因数の和:1072

約数の個数: 16

約数和(自身を含む): 27079680

約数和(自身を除く): 7337283

約数列:

[1, 3, 47, 141, 163, 489, 859, 2577, 7661, 22983, 40373, 121119, 140017, 420051, 6580799, 19742397]

約数ペア:

[(1, 19742397), (3, 6580799), (47, 420051), (141, 140017), (163, 121119), (489, 40373), (859, 22983), (2577, 7661)]