18557357

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{10733}}^1$

素因数の和:10772

約数の個数: 16

約数和(自身を含む): 24044160

約数和(自身を除く): 5486803

約数列:

[1, 7, 13, 19, 91, 133, 247, 1729, 10733, 75131, 139529, 203927, 976703, 1427489, 2651051, 18557357]

約数ペア:

[(1, 18557357), (7, 2651051), (13, 1427489), (19, 976703), (91, 203927), (133, 139529), (247, 75131), (1729, 10733)]