18129808

素因数分解:

$2^4\times {\mathrm{257}}^1\times {\mathrm{4409}}^1$

素因数の和:4674

約数の個数: 20

約数和(自身を含む): 35271180

約数和(自身を除く): 17141372

約数列:

[1, 2, 4, 8, 16, 257, 514, 1028, 2056, 4112, 4409, 8818, 17636, 35272, 70544, 1133113, 2266226, 4532452, 9064904, 18129808]

約数ペア:

[(1, 18129808), (2, 9064904), (4, 4532452), (8, 2266226), (16, 1133113), (257, 70544), (514, 35272), (1028, 17636), (2056, 8818), (4112, 4409)]