18932721

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{1721}}^1$

素因数の和:1936

約数の個数: 16

約数和(自身を含む): 26725440

約数和(自身を除く): 7792719

約数列:

[1, 3, 19, 57, 193, 579, 1721, 3667, 5163, 11001, 32699, 98097, 332153, 996459, 6310907, 18932721]

約数ペア:

[(1, 18932721), (3, 6310907), (19, 996459), (57, 332153), (193, 98097), (579, 32699), (1721, 11001), (3667, 5163)]