18918172

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{51973}}^1$

素因数の和:51997

約数の個数: 24

約数和(自身を含む): 40747616

約数和(自身を除く): 21829444

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 51973, 103946, 207892, 363811, 675649, 727622, 1351298, 1455244, 2702596, 4729543, 9459086, 18918172]

約数ペア:

[(1, 18918172), (2, 9459086), (4, 4729543), (7, 2702596), (13, 1455244), (14, 1351298), (26, 727622), (28, 675649), (52, 363811), (91, 207892), (182, 103946), (364, 51973)]