18737971

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{1583}}^1$

素因数の和:1698

約数の個数: 16

約数和(自身を含む): 22809600

約数和(自身を除く): 4071629

約数列:

[1, 7, 19, 89, 133, 623, 1583, 1691, 11081, 11837, 30077, 140887, 210539, 986209, 2676853, 18737971]

約数ペア:

[(1, 18737971), (7, 2676853), (19, 986209), (89, 210539), (133, 140887), (623, 30077), (1583, 11837), (1691, 11081)]