18531613919

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{331}}^1\times {\mathrm{32381}}^1$

素因数の和:32751

約数の個数: 32

約数和(自身を含む): 24081845760

約数和(自身を除く): 5550231841

約数列:

[1, 7, 13, 19, 91, 133, 247, 331, 1729, 2317, 4303, 6289, 30121, 32381, 44023, 81757, 226667, 420953, 572299, 615239, 2946671, 4306673, 7998107, 10718111, 55986749, 75026777, 139335443, 203644109, 975348101, 1425508763, 2647373417, 18531613919]

約数ペア:

[(1, 18531613919), (7, 2647373417), (13, 1425508763), (19, 975348101), (91, 203644109), (133, 139335443), (247, 75026777), (331, 55986749), (1729, 10718111), (2317, 7998107), (4303, 4306673), (6289, 2946671), (30121, 615239), (32381, 572299), (44023, 420953), (81757, 226667)]