19092016

素因数分解:

$2^4\times {\mathrm{257}}^1\times {\mathrm{4643}}^1$

素因数の和:4908

約数の個数: 20

約数和(自身を含む): 37142712

約数和(自身を除く): 18050696

約数列:

[1, 2, 4, 8, 16, 257, 514, 1028, 2056, 4112, 4643, 9286, 18572, 37144, 74288, 1193251, 2386502, 4773004, 9546008, 19092016]

約数ペア:

[(1, 19092016), (2, 9546008), (4, 4773004), (8, 2386502), (16, 1193251), (257, 74288), (514, 37144), (1028, 18572), (2056, 9286), (4112, 4643)]