18019449

素因数分解:

$3^3\times 7^1\times {\mathrm{67}}^1\times {\mathrm{1423}}^1$

素因数の和:1506

約数の個数: 32

約数和(自身を含む): 30986240

約数和(自身を除く): 12966791

約数列:

[1, 3, 7, 9, 21, 27, 63, 67, 189, 201, 469, 603, 1407, 1423, 1809, 4221, 4269, 9961, 12663, 12807, 29883, 38421, 89649, 95341, 268947, 286023, 667387, 858069, 2002161, 2574207, 6006483, 18019449]

約数ペア:

[(1, 18019449), (3, 6006483), (7, 2574207), (9, 2002161), (21, 858069), (27, 667387), (63, 286023), (67, 268947), (189, 95341), (201, 89649), (469, 38421), (603, 29883), (1407, 12807), (1423, 12663), (1809, 9961), (4221, 4269)]