18320958

素因数分解:

$2^1\times 3^3\times {\mathrm{157}}^1\times {\mathrm{2161}}^1$

素因数の和:2329

約数の個数: 32

約数和(自身を含む): 40991520

約数和(自身を除く): 22670562

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 157, 314, 471, 942, 1413, 2161, 2826, 4239, 4322, 6483, 8478, 12966, 19449, 38898, 58347, 116694, 339277, 678554, 1017831, 2035662, 3053493, 6106986, 9160479, 18320958]

約数ペア:

[(1, 18320958), (2, 9160479), (3, 6106986), (6, 3053493), (9, 2035662), (18, 1017831), (27, 678554), (54, 339277), (157, 116694), (314, 58347), (471, 38898), (942, 19449), (1413, 12966), (2161, 8478), (2826, 6483), (4239, 4322)]