18255105

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{647}}^1$

素因数の和:691

約数の個数: 64

約数和(自身を含む): 37324800

約数和(自身を除く): 19069695

約数列:

[1, 3, 5, 9, 11, 15, 19, 27, 33, 45, 55, 57, 95, 99, 135, 165, 171, 209, 285, 297, 495, 513, 627, 647, 855, 1045, 1485, 1881, 1941, 2565, 3135, 3235, 5643, 5823, 7117, 9405, 9705, 12293, 17469, 21351, 28215, 29115, 35585, 36879, 61465, 64053, 87345, 106755, 110637, 135223, 184395, 192159, 320265, 331911, 405669, 553185, 676115, 960795, 1217007, 1659555, 2028345, 3651021, 6085035, 18255105]

約数ペア:

[(1, 18255105), (3, 6085035), (5, 3651021), (9, 2028345), (11, 1659555), (15, 1217007), (19, 960795), (27, 676115), (33, 553185), (45, 405669), (55, 331911), (57, 320265), (95, 192159), (99, 184395), (135, 135223), (165, 110637), (171, 106755), (209, 87345), (285, 64053), (297, 61465), (495, 36879), (513, 35585), (627, 29115), (647, 28215), (855, 21351), (1045, 17469), (1485, 12293), (1881, 9705), (1941, 9405), (2565, 7117), (3135, 5823), (3235, 5643)]