19428369

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{1721}}^1$

素因数の和:1848

約数の個数: 16

約数和(自身を含む): 26780544

約数和(自身を除く): 7352175

約数列:

[1, 3, 53, 71, 159, 213, 1721, 3763, 5163, 11289, 91213, 122191, 273639, 366573, 6476123, 19428369]

約数ペア:

[(1, 19428369), (3, 6476123), (53, 366573), (71, 273639), (159, 122191), (213, 91213), (1721, 11289), (3763, 5163)]