19402472

素因数分解:

$2^3\times {\mathrm{257}}^1\times {\mathrm{9437}}^1$

素因数の和:9700

約数の個数: 16

約数和(自身を含む): 36525060

約数和(自身を除く): 17122588

約数列:

[1, 2, 4, 8, 257, 514, 1028, 2056, 9437, 18874, 37748, 75496, 2425309, 4850618, 9701236, 19402472]

約数ペア:

[(1, 19402472), (2, 9701236), (4, 4850618), (8, 2425309), (257, 75496), (514, 37748), (1028, 18874), (2056, 9437)]