11718155

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1$

素因数の和:251

約数の個数: 32

約数和(自身を含む): 16035840

約数和(自身を除く): 4317685

約数列:

[1, 5, 19, 23, 31, 95, 115, 155, 173, 437, 589, 713, 865, 2185, 2945, 3287, 3565, 3979, 5363, 13547, 16435, 19895, 26815, 67735, 75601, 101897, 123349, 378005, 509485, 616745, 2343631, 11718155]

約数ペア:

[(1, 11718155), (5, 2343631), (19, 616745), (23, 509485), (31, 378005), (95, 123349), (115, 101897), (155, 75601), (173, 67735), (437, 26815), (589, 19895), (713, 16435), (865, 13547), (2185, 5363), (2945, 3979), (3287, 3565)]