19856265

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{9257}}^1$

素因数の和:9289

約数の個数: 32

約数和(自身を含む): 37328256

約数和(自身を除く): 17471991

約数列:

[1, 3, 5, 11, 13, 15, 33, 39, 55, 65, 143, 165, 195, 429, 715, 2145, 9257, 27771, 46285, 101827, 120341, 138855, 305481, 361023, 509135, 601705, 1323751, 1527405, 1805115, 3971253, 6618755, 19856265]

約数ペア:

[(1, 19856265), (3, 6618755), (5, 3971253), (11, 1805115), (13, 1527405), (15, 1323751), (33, 601705), (39, 509135), (55, 361023), (65, 305481), (143, 138855), (165, 120341), (195, 101827), (429, 46285), (715, 27771), (2145, 9257)]