18031321

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{6329}}^1$

素因数の和:6384

約数の個数: 16

約数和(自身を含む): 23091840

約数和(自身を除く): 5060519

約数列:

[1, 7, 11, 37, 77, 259, 407, 2849, 6329, 44303, 69619, 234173, 487333, 1639211, 2575903, 18031321]

約数ペア:

[(1, 18031321), (7, 2575903), (11, 1639211), (37, 487333), (77, 234173), (259, 69619), (407, 44303), (2849, 6329)]