18281807999

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{587}}^1\times {\mathrm{18013}}^1$

素因数の和:18639

約数の個数: 32

約数和(自身を含む): 23726599680

約数和(自身を除く): 5444791681

約数列:

[1, 7, 13, 19, 91, 133, 247, 587, 1729, 4109, 7631, 11153, 18013, 53417, 78071, 126091, 144989, 234169, 342247, 1014923, 1639183, 2395729, 4449211, 10573631, 31144477, 74015417, 137457203, 200898989, 962200421, 1406292923, 2611686857, 18281807999]

約数ペア:

[(1, 18281807999), (7, 2611686857), (13, 1406292923), (19, 962200421), (91, 200898989), (133, 137457203), (247, 74015417), (587, 31144477), (1729, 10573631), (4109, 4449211), (7631, 2395729), (11153, 1639183), (18013, 1014923), (53417, 342247), (78071, 234169), (126091, 144989)]