18617940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{9403}}^1$

素因数の和:9429

約数の個数: 72

約数和(自身を含む): 61615008

約数和(自身を除く): 42997068

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 9403, 18806, 28209, 37612, 47015, 56418, 84627, 94030, 103433, 112836, 141045, 169254, 188060, 206866, 282090, 310299, 338508, 413732, 423135, 517165, 564180, 620598, 846270, 930897, 1034330, 1241196, 1551495, 1692540, 1861794, 2068660, 3102990, 3723588, 4654485, 6205980, 9308970, 18617940]

約数ペア:

[(1, 18617940), (2, 9308970), (3, 6205980), (4, 4654485), (5, 3723588), (6, 3102990), (9, 2068660), (10, 1861794), (11, 1692540), (12, 1551495), (15, 1241196), (18, 1034330), (20, 930897), (22, 846270), (30, 620598), (33, 564180), (36, 517165), (44, 423135), (45, 413732), (55, 338508), (60, 310299), (66, 282090), (90, 206866), (99, 188060), (110, 169254), (132, 141045), (165, 112836), (180, 103433), (198, 94030), (220, 84627), (330, 56418), (396, 47015), (495, 37612), (660, 28209), (990, 18806), (1980, 9403)]