18947025

素因数分解:

$3^2\times 5^2\times {\mathrm{107}}^1\times {\mathrm{787}}^1$

素因数の和:910

約数の個数: 36

約数和(自身を含む): 34296912

約数和(自身を除く): 15349887

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 107, 225, 321, 535, 787, 963, 1605, 2361, 2675, 3935, 4815, 7083, 8025, 11805, 19675, 24075, 35415, 59025, 84209, 177075, 252627, 421045, 757881, 1263135, 2105225, 3789405, 6315675, 18947025]

約数ペア:

[(1, 18947025), (3, 6315675), (5, 3789405), (9, 2105225), (15, 1263135), (25, 757881), (45, 421045), (75, 252627), (107, 177075), (225, 84209), (321, 59025), (535, 35415), (787, 24075), (963, 19675), (1605, 11805), (2361, 8025), (2675, 7083), (3935, 4815)]