18928693

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{4591}}^1$

素因数の和:4648

約数の個数: 16

約数和(自身を含む): 23511040

約数和(自身を除く): 4582347

約数列:

[1, 7, 19, 31, 133, 217, 589, 4123, 4591, 32137, 87229, 142321, 610603, 996247, 2704099, 18928693]

約数ペア:

[(1, 18928693), (7, 2704099), (19, 996247), (31, 610603), (133, 142321), (217, 87229), (589, 32137), (4123, 4591)]