18129440

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{16187}}^1$

素因数の和:16209

約数の個数: 48

約数和(自身を含む): 48952512

約数和(自身を除く): 30823072

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 16187, 32374, 64748, 80935, 113309, 129496, 161870, 226618, 258992, 323740, 453236, 517984, 566545, 647480, 906472, 1133090, 1294960, 1812944, 2266180, 2589920, 3625888, 4532360, 9064720, 18129440]

約数ペア:

[(1, 18129440), (2, 9064720), (4, 4532360), (5, 3625888), (7, 2589920), (8, 2266180), (10, 1812944), (14, 1294960), (16, 1133090), (20, 906472), (28, 647480), (32, 566545), (35, 517984), (40, 453236), (56, 323740), (70, 258992), (80, 226618), (112, 161870), (140, 129496), (160, 113309), (224, 80935), (280, 64748), (560, 32374), (1120, 16187)]