18285807

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{257}}^1\times {\mathrm{641}}^1$

素因数の和:938

約数の個数: 16

約数和(自身を含む): 25176672

約数和(自身を除く): 6890865

約数列:

[1, 3, 37, 111, 257, 641, 771, 1923, 9509, 23717, 28527, 71151, 164737, 494211, 6095269, 18285807]

約数ペア:

[(1, 18285807), (3, 6095269), (37, 494211), (111, 164737), (257, 71151), (641, 28527), (771, 23717), (1923, 9509)]