19690401

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{3347}}^1$

素因数の和:3440

約数の個数: 16

約数和(自身を含む): 27480384

約数和(自身を除く): 7789983

約数列:

[1, 3, 37, 53, 111, 159, 1961, 3347, 5883, 10041, 123839, 177391, 371517, 532173, 6563467, 19690401]

約数ペア:

[(1, 19690401), (3, 6563467), (37, 532173), (53, 371517), (111, 177391), (159, 123839), (1961, 10041), (3347, 5883)]