18278576

素因数分解:

$2^4\times {\mathrm{101}}^1\times {\mathrm{11311}}^1$

素因数の和:11420

約数の個数: 20

約数和(自身を含む): 35768544

約数和(自身を除く): 17489968

約数列:

[1, 2, 4, 8, 16, 101, 202, 404, 808, 1616, 11311, 22622, 45244, 90488, 180976, 1142411, 2284822, 4569644, 9139288, 18278576]

約数ペア:

[(1, 18278576), (2, 9139288), (4, 4569644), (8, 2284822), (16, 1142411), (101, 180976), (202, 90488), (404, 45244), (808, 22622), (1616, 11311)]