18279387

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{15271}}^1$

素因数の和:15303

約数の個数: 24

約数和(自身を含む): 31765760

約数和(自身を除く): 13486373

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 15271, 45813, 106897, 137439, 290149, 320691, 870447, 962073, 2031043, 2611341, 6093129, 18279387]

約数ペア:

[(1, 18279387), (3, 6093129), (7, 2611341), (9, 2031043), (19, 962073), (21, 870447), (57, 320691), (63, 290149), (133, 137439), (171, 106897), (399, 45813), (1197, 15271)]