18700435

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{1663}}^1$

素因数の和:1854

約数の個数: 16

約数和(自身を含む): 24321024

約数和(自身を除く): 5620589

約数列:

[1, 5, 13, 65, 173, 865, 1663, 2249, 8315, 11245, 21619, 108095, 287699, 1438495, 3740087, 18700435]

約数ペア:

[(1, 18700435), (5, 3740087), (13, 1438495), (65, 287699), (173, 108095), (865, 21619), (1663, 11245), (2249, 8315)]