18468009

素因数分解:

$3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{5531}}^1$

素因数の和:5597

約数の個数: 24

約数和(自身を含む): 31067712

約数和(自身を除く): 12599703

約数列:

[1, 3, 7, 9, 21, 53, 63, 159, 371, 477, 1113, 3339, 5531, 16593, 38717, 49779, 116151, 293143, 348453, 879429, 2052001, 2638287, 6156003, 18468009]

約数ペア:

[(1, 18468009), (3, 6156003), (7, 2638287), (9, 2052001), (21, 879429), (53, 348453), (63, 293143), (159, 116151), (371, 49779), (477, 38717), (1113, 16593), (3339, 5531)]