19995699

素因数分解:

$3^1\times {\mathrm{103}}^1\times {\mathrm{163}}^1\times {\mathrm{397}}^1$

素因数の和:666

約数の個数: 16

約数和(自身を含む): 27153152

約数和(自身を除く): 7157453

約数列:

[1, 3, 103, 163, 309, 397, 489, 1191, 16789, 40891, 50367, 64711, 122673, 194133, 6665233, 19995699]

約数ペア:

[(1, 19995699), (3, 6665233), (103, 194133), (163, 122673), (309, 64711), (397, 50367), (489, 40891), (1191, 16789)]