18916755

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{8819}}^1$

素因数の和:8851

約数の個数: 32

約数和(自身を含む): 35562240

約数和(自身を除く): 16645485

約数列:

[1, 3, 5, 11, 13, 15, 33, 39, 55, 65, 143, 165, 195, 429, 715, 2145, 8819, 26457, 44095, 97009, 114647, 132285, 291027, 343941, 485045, 573235, 1261117, 1455135, 1719705, 3783351, 6305585, 18916755]

約数ペア:

[(1, 18916755), (3, 6305585), (5, 3783351), (11, 1719705), (13, 1455135), (15, 1261117), (33, 573235), (39, 485045), (55, 343941), (65, 291027), (143, 132285), (165, 114647), (195, 97009), (429, 44095), (715, 26457), (2145, 8819)]