17942743

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^2$

素因数の和:203

約数の個数: 24

約数和(自身を含む): 22995168

約数和(自身を除く): 5052425

約数列:

[1, 7, 13, 37, 73, 91, 259, 481, 511, 949, 2701, 3367, 5329, 6643, 18907, 35113, 37303, 69277, 197173, 245791, 484939, 1380211, 2563249, 17942743]

約数ペア:

[(1, 17942743), (7, 2563249), (13, 1380211), (37, 484939), (73, 245791), (91, 197173), (259, 69277), (481, 37303), (511, 35113), (949, 18907), (2701, 6643), (3367, 5329)]