19805445

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13337}}^1$

素因数の和:13362

約数の個数: 32

約数和(自身を含む): 38413440

約数和(自身を除く): 18607995

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 99, 135, 165, 297, 495, 1485, 13337, 40011, 66685, 120033, 146707, 200055, 360099, 440121, 600165, 733535, 1320363, 1800495, 2200605, 3961089, 6601815, 19805445]

約数ペア:

[(1, 19805445), (3, 6601815), (5, 3961089), (9, 2200605), (11, 1800495), (15, 1320363), (27, 733535), (33, 600165), (45, 440121), (55, 360099), (99, 200055), (135, 146707), (165, 120033), (297, 66685), (495, 40011), (1485, 13337)]