18577264

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{28319}}^1$

素因数の和:28368

約数の個数: 20

約数和(自身を含む): 36872640

約数和(自身を除く): 18295376

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 28319, 56638, 113276, 226552, 453104, 1161079, 2322158, 4644316, 9288632, 18577264]

約数ペア:

[(1, 18577264), (2, 9288632), (4, 4644316), (8, 2322158), (16, 1161079), (41, 453104), (82, 226552), (164, 113276), (328, 56638), (656, 28319)]