18573945

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{431}}^1$

素因数の和:482

約数の個数: 48

約数和(自身を含む): 34152192

約数和(自身を除く): 15578247

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 85, 169, 195, 221, 255, 431, 507, 663, 845, 1105, 1293, 2155, 2535, 2873, 3315, 5603, 6465, 7327, 8619, 14365, 16809, 21981, 28015, 36635, 43095, 72839, 84045, 95251, 109905, 218517, 285753, 364195, 476255, 1092585, 1238263, 1428765, 3714789, 6191315, 18573945]

約数ペア:

[(1, 18573945), (3, 6191315), (5, 3714789), (13, 1428765), (15, 1238263), (17, 1092585), (39, 476255), (51, 364195), (65, 285753), (85, 218517), (169, 109905), (195, 95251), (221, 84045), (255, 72839), (431, 43095), (507, 36635), (663, 28015), (845, 21981), (1105, 16809), (1293, 14365), (2155, 8619), (2535, 7327), (2873, 6465), (3315, 5603)]