18545427

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{173}}^1\times {\mathrm{277}}^1$

素因数の和:499

約数の個数: 24

約数和(自身を含む): 27668784

約数和(自身を除く): 9123357

約数列:

[1, 3, 9, 43, 129, 173, 277, 387, 519, 831, 1557, 2493, 7439, 11911, 22317, 35733, 47921, 66951, 107199, 143763, 431289, 2060603, 6181809, 18545427]

約数ペア:

[(1, 18545427), (3, 6181809), (9, 2060603), (43, 431289), (129, 143763), (173, 107199), (277, 66951), (387, 47921), (519, 35733), (831, 22317), (1557, 11911), (2493, 7439)]