18727816

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{57097}}^1$

素因数の和:57144

約数の個数: 16

約数和(自身を含む): 35971740

約数和(自身を除く): 17243924

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 57097, 114194, 228388, 456776, 2340977, 4681954, 9363908, 18727816]

約数ペア:

[(1, 18727816), (2, 9363908), (4, 4681954), (8, 2340977), (41, 456776), (82, 228388), (164, 114194), (328, 57097)]