18180428

素因数分解:

$2^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{8219}}^1$

素因数の和:8309

約数の個数: 24

約数和(自身を含む): 36825600

約数和(自身を除く): 18645172

約数列:

[1, 2, 4, 7, 14, 28, 79, 158, 316, 553, 1106, 2212, 8219, 16438, 32876, 57533, 115066, 230132, 649301, 1298602, 2597204, 4545107, 9090214, 18180428]

約数ペア:

[(1, 18180428), (2, 9090214), (4, 4545107), (7, 2597204), (14, 1298602), (28, 649301), (79, 230132), (158, 115066), (316, 57533), (553, 32876), (1106, 16438), (2212, 8219)]