18942039

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{283}}^1$

素因数の和:396

約数の個数: 32

約数和(自身を含む): 29354240

約数和(自身を除く): 10412201

約数列:

[1, 3, 9, 27, 37, 67, 111, 201, 283, 333, 603, 849, 999, 1809, 2479, 2547, 7437, 7641, 10471, 18961, 22311, 31413, 56883, 66933, 94239, 170649, 282717, 511947, 701557, 2104671, 6314013, 18942039]

約数ペア:

[(1, 18942039), (3, 6314013), (9, 2104671), (27, 701557), (37, 511947), (67, 282717), (111, 170649), (201, 94239), (283, 66933), (333, 56883), (603, 31413), (849, 22311), (999, 18961), (1809, 10471), (2479, 7641), (2547, 7437)]