18247467

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{29}}^1\times {\mathrm{83}}^1$

素因数の和:160

約数の個数: 48

約数和(自身を含む): 30723840

約数和(自身を除く): 12476373

約数列:

[1, 3, 7, 19, 21, 29, 57, 83, 87, 133, 203, 249, 361, 399, 551, 581, 609, 1083, 1577, 1653, 1743, 2407, 2527, 3857, 4731, 7221, 7581, 10469, 11039, 11571, 16849, 29963, 31407, 33117, 45733, 50547, 73283, 89889, 137199, 209741, 219849, 320131, 629223, 868927, 960393, 2606781, 6082489, 18247467]

約数ペア:

[(1, 18247467), (3, 6082489), (7, 2606781), (19, 960393), (21, 868927), (29, 629223), (57, 320131), (83, 219849), (87, 209741), (133, 137199), (203, 89889), (249, 73283), (361, 50547), (399, 45733), (551, 33117), (581, 31407), (609, 29963), (1083, 16849), (1577, 11571), (1653, 11039), (1743, 10469), (2407, 7581), (2527, 7221), (3857, 4731)]