18869669

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{6689}}^1$

素因数の和:6740

約数の個数: 16

約数和(自身を含む): 23976960

約数和(自身を除く): 5107291

約数列:

[1, 7, 13, 31, 91, 217, 403, 2821, 6689, 46823, 86957, 207359, 608699, 1451513, 2695667, 18869669]

約数ペア:

[(1, 18869669), (7, 2695667), (13, 1451513), (31, 608699), (91, 207359), (217, 86957), (403, 46823), (2821, 6689)]