18979155

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{32443}}^1$

素因数の和:32467

約数の個数: 24

約数和(自身を含む): 35428848

約数和(自身を除く): 16449693

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 585, 32443, 97329, 162215, 291987, 421759, 486645, 1265277, 1459935, 2108795, 3795831, 6326385, 18979155]

約数ペア:

[(1, 18979155), (3, 6326385), (5, 3795831), (9, 2108795), (13, 1459935), (15, 1265277), (39, 486645), (45, 421759), (65, 291987), (117, 162215), (195, 97329), (585, 32443)]