18945861

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{383}}^1\times {\mathrm{1499}}^1$

素因数の和:1896

約数の個数: 16

約数和(自身を含む): 27648000

約数和(自身を除く): 8702139

約数列:

[1, 3, 11, 33, 383, 1149, 1499, 4213, 4497, 12639, 16489, 49467, 574117, 1722351, 6315287, 18945861]

約数ペア:

[(1, 18945861), (3, 6315287), (11, 1722351), (33, 574117), (383, 49467), (1149, 16489), (1499, 12639), (4213, 4497)]