18857529

素因数分解:

$3^5\times {\mathrm{71}}^1\times {\mathrm{1093}}^1$

素因数の和:1179

約数の個数: 24

約数和(自身を含む): 28671552

約数和(自身を除く): 9814023

約数列:

[1, 3, 9, 27, 71, 81, 213, 243, 639, 1093, 1917, 3279, 5751, 9837, 17253, 29511, 77603, 88533, 232809, 265599, 698427, 2095281, 6285843, 18857529]

約数ペア:

[(1, 18857529), (3, 6285843), (9, 2095281), (27, 698427), (71, 265599), (81, 232809), (213, 88533), (243, 77603), (639, 29511), (1093, 17253), (1917, 9837), (3279, 5751)]