19681343

素因数分解:

${\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{599}}^1$

素因数の和:742

約数の個数: 16

約数和(自身を含む): 22464000

約数和(自身を除く): 2782657

約数列:

[1, 11, 29, 103, 319, 599, 1133, 2987, 6589, 17371, 32857, 61697, 191081, 678667, 1789213, 19681343]

約数ペア:

[(1, 19681343), (11, 1789213), (29, 678667), (103, 191081), (319, 61697), (599, 32857), (1133, 17371), (2987, 6589)]