18954027

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{18973}}^1$

素因数の和:19019

約数の個数: 16

約数和(自身を含む): 28840480

約数和(自身を除く): 9886453

約数列:

[1, 3, 9, 27, 37, 111, 333, 999, 18973, 56919, 170757, 512271, 702001, 2106003, 6318009, 18954027]

約数ペア:

[(1, 18954027), (3, 6318009), (9, 2106003), (27, 702001), (37, 512271), (111, 170757), (333, 56919), (999, 18973)]