18069779

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1493}}^1$

素因数の和:1539

約数の個数: 24

約数和(自身を含む): 23844240

約数和(自身を除く): 5774461

約数列:

[1, 7, 13, 19, 49, 91, 133, 247, 637, 931, 1493, 1729, 10451, 12103, 19409, 28367, 73157, 135863, 198569, 368771, 951041, 1389983, 2581397, 18069779]

約数ペア:

[(1, 18069779), (7, 2581397), (13, 1389983), (19, 951041), (49, 368771), (91, 198569), (133, 135863), (247, 73157), (637, 28367), (931, 19409), (1493, 12103), (1729, 10451)]