18789243

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{191}}^1\times {\mathrm{271}}^1$

素因数の和:487

約数の個数: 24

約数和(自身を含む): 27783168

約数和(自身を除く): 8993925

約数列:

[1, 3, 11, 33, 121, 191, 271, 363, 573, 813, 2101, 2981, 6303, 8943, 23111, 32791, 51761, 69333, 98373, 155283, 569371, 1708113, 6263081, 18789243]

約数ペア:

[(1, 18789243), (3, 6263081), (11, 1708113), (33, 569371), (121, 155283), (191, 98373), (271, 69333), (363, 51761), (573, 32791), (813, 23111), (2101, 8943), (2981, 6303)]