18225669

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{307}}^1$

素因数の和:585

約数の個数: 32

約数和(自身を含む): 30514176

約数和(自身を除く): 12288507

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 257, 307, 771, 921, 1799, 2149, 2827, 3377, 5397, 6447, 8481, 10131, 19789, 23639, 59367, 70917, 78899, 236697, 552293, 867889, 1656879, 2603667, 6075223, 18225669]

約数ペア:

[(1, 18225669), (3, 6075223), (7, 2603667), (11, 1656879), (21, 867889), (33, 552293), (77, 236697), (231, 78899), (257, 70917), (307, 59367), (771, 23639), (921, 19789), (1799, 10131), (2149, 8481), (2827, 6447), (3377, 5397)]