18811287

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{1367}}^1$

素因数の和:1523

約数の個数: 24

約数和(自身を含む): 29877120

約数和(自身を除く): 11065833

約数列:

[1, 3, 9, 11, 33, 99, 139, 417, 1251, 1367, 1529, 4101, 4587, 12303, 13761, 15037, 45111, 135333, 190013, 570039, 1710117, 2090143, 6270429, 18811287]

約数ペア:

[(1, 18811287), (3, 6270429), (9, 2090143), (11, 1710117), (33, 570039), (99, 190013), (139, 135333), (417, 45111), (1251, 15037), (1367, 13761), (1529, 12303), (4101, 4587)]