18318971

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{1187}}^1$

素因数の和:1282

約数の個数: 16

約数和(自身を含む): 21212928

約数和(自身を除く): 2893957

約数列:

[1, 11, 23, 61, 253, 671, 1187, 1403, 13057, 15433, 27301, 72407, 300311, 796477, 1665361, 18318971]

約数ペア:

[(1, 18318971), (11, 1665361), (23, 796477), (61, 300311), (253, 72407), (671, 27301), (1187, 15433), (1403, 13057)]