18302985

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{21407}}^1$

素因数の和:21437

約数の個数: 24

約数和(自身を含む): 33396480

約数和(自身を除く): 15093495

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 171, 285, 855, 21407, 64221, 107035, 192663, 321105, 406733, 963315, 1220199, 2033665, 3660597, 6100995, 18302985]

約数ペア:

[(1, 18302985), (3, 6100995), (5, 3660597), (9, 2033665), (15, 1220199), (19, 963315), (45, 406733), (57, 321105), (95, 192663), (171, 107035), (285, 64221), (855, 21407)]