18071207

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{6343}}^1$

素因数の和:6398

約数の個数: 16

約数和(自身を含む): 23142912

約数和(自身を除く): 5071705

約数列:

[1, 7, 11, 37, 77, 259, 407, 2849, 6343, 44401, 69773, 234691, 488411, 1642837, 2581601, 18071207]

約数ペア:

[(1, 18071207), (7, 2581601), (11, 1642837), (37, 488411), (77, 234691), (259, 69773), (407, 44401), (2849, 6343)]