18925387

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{397}}^1$

素因数の和:622

約数の個数: 16

約数和(自身を含む): 21619360

約数和(自身を除く): 2693973

約数列:

[1, 13, 19, 193, 247, 397, 2509, 3667, 5161, 7543, 47671, 76621, 98059, 996073, 1455799, 18925387]

約数ペア:

[(1, 18925387), (13, 1455799), (19, 996073), (193, 98059), (247, 76621), (397, 47671), (2509, 7543), (3667, 5161)]