18510729

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{263}}^1\times {\mathrm{809}}^1$

素因数の和:1104

約数の個数: 16

約数和(自身を含む): 25660800

約数和(自身を除く): 7150071

約数列:

[1, 3, 29, 87, 263, 789, 809, 2427, 7627, 22881, 23461, 70383, 212767, 638301, 6170243, 18510729]

約数ペア:

[(1, 18510729), (3, 6170243), (29, 638301), (87, 212767), (263, 70383), (789, 23461), (809, 22881), (2427, 7627)]