19982643

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{1153}}^1$

素因数の和:1318

約数の個数: 16

約数和(自身を含む): 27419040

約数和(自身を除く): 7436397

約数列:

[1, 3, 53, 109, 159, 327, 1153, 3459, 5777, 17331, 61109, 125677, 183327, 377031, 6660881, 19982643]

約数ペア:

[(1, 19982643), (3, 6660881), (53, 377031), (109, 183327), (159, 125677), (327, 61109), (1153, 17331), (3459, 5777)]