18811072

素因数分解:

$2^6\times 7^1\times {\mathrm{199}}^1\times {\mathrm{211}}^1$

素因数の和:429

約数の個数: 56

約数和(自身を含む): 43078400

約数和(自身を除く): 24267328

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 199, 211, 224, 398, 422, 448, 796, 844, 1393, 1477, 1592, 1688, 2786, 2954, 3184, 3376, 5572, 5908, 6368, 6752, 11144, 11816, 12736, 13504, 22288, 23632, 41989, 44576, 47264, 83978, 89152, 94528, 167956, 293923, 335912, 587846, 671824, 1175692, 1343648, 2351384, 2687296, 4702768, 9405536, 18811072]

約数ペア:

[(1, 18811072), (2, 9405536), (4, 4702768), (7, 2687296), (8, 2351384), (14, 1343648), (16, 1175692), (28, 671824), (32, 587846), (56, 335912), (64, 293923), (112, 167956), (199, 94528), (211, 89152), (224, 83978), (398, 47264), (422, 44576), (448, 41989), (796, 23632), (844, 22288), (1393, 13504), (1477, 12736), (1592, 11816), (1688, 11144), (2786, 6752), (2954, 6368), (3184, 5908), (3376, 5572)]