18087849

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4987}}^1$

素因数の和:5037

約数の個数: 24

約数和(自身を含む): 29050112

約数和(自身を除く): 10962263

約数列:

[1, 3, 9, 13, 31, 39, 93, 117, 279, 403, 1209, 3627, 4987, 14961, 44883, 64831, 154597, 194493, 463791, 583479, 1391373, 2009761, 6029283, 18087849]

約数ペア:

[(1, 18087849), (3, 6029283), (9, 2009761), (13, 1391373), (31, 583479), (39, 463791), (93, 194493), (117, 154597), (279, 64831), (403, 44883), (1209, 14961), (3627, 4987)]