1657479820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{189643}}^1$

素因数の和:189694

約数の個数: 48

約数和(自身を含む): 3823223040

約数和(自身を除く): 2165743220

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 38, 46, 76, 92, 95, 115, 190, 230, 380, 437, 460, 874, 1748, 2185, 4370, 8740, 189643, 379286, 758572, 948215, 1896430, 3603217, 3792860, 4361789, 7206434, 8723578, 14412868, 17447156, 18016085, 21808945, 36032170, 43617890, 72064340, 82873991, 87235780, 165747982, 331495964, 414369955, 828739910, 1657479820]

約数ペア:

[(1, 1657479820), (2, 828739910), (4, 414369955), (5, 331495964), (10, 165747982), (19, 87235780), (20, 82873991), (23, 72064340), (38, 43617890), (46, 36032170), (76, 21808945), (92, 18016085), (95, 17447156), (115, 14412868), (190, 8723578), (230, 7206434), (380, 4361789), (437, 3792860), (460, 3603217), (874, 1896430), (1748, 948215), (2185, 758572), (4370, 379286), (8740, 189643)]