18131864

素因数分解:

$2^3\times {\mathrm{257}}^1\times {\mathrm{8819}}^1$

素因数の和:9082

約数の個数: 16

約数和(自身を含む): 34133400

約数和(自身を除く): 16001536

約数列:

[1, 2, 4, 8, 257, 514, 1028, 2056, 8819, 17638, 35276, 70552, 2266483, 4532966, 9065932, 18131864]

約数ペア:

[(1, 18131864), (2, 9065932), (4, 4532966), (8, 2266483), (257, 70552), (514, 35276), (1028, 17638), (2056, 8819)]