18531149

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{6569}}^1$

素因数の和:6620

約数の個数: 16

約数和(自身を含む): 23546880

約数和(自身を除く): 5015731

約数列:

[1, 7, 13, 31, 91, 217, 403, 2821, 6569, 45983, 85397, 203639, 597779, 1425473, 2647307, 18531149]

約数ペア:

[(1, 18531149), (7, 2647307), (13, 1425473), (31, 597779), (91, 203639), (217, 85397), (403, 45983), (2821, 6569)]