18678286

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{79}}^1\times {\mathrm{977}}^1$

素因数の和:1080

約数の個数: 24

約数和(自身を含む): 31217760

約数和(自身を除く): 12539474

約数列:

[1, 2, 11, 22, 79, 121, 158, 242, 869, 977, 1738, 1954, 9559, 10747, 19118, 21494, 77183, 118217, 154366, 236434, 849013, 1698026, 9339143, 18678286]

約数ペア:

[(1, 18678286), (2, 9339143), (11, 1698026), (22, 849013), (79, 236434), (121, 154366), (158, 118217), (242, 77183), (869, 21494), (977, 19118), (1738, 10747), (1954, 9559)]