19864134

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{47981}}^1$

素因数の和:48012

約数の個数: 24

約数和(自身を含む): 44911152

約数和(自身を除く): 25047018

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 138, 207, 414, 47981, 95962, 143943, 287886, 431829, 863658, 1103563, 2207126, 3310689, 6621378, 9932067, 19864134]

約数ペア:

[(1, 19864134), (2, 9932067), (3, 6621378), (6, 3310689), (9, 2207126), (18, 1103563), (23, 863658), (46, 431829), (69, 287886), (138, 143943), (207, 95962), (414, 47981)]