18055840

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{10259}}^1$

素因数の和:10285

約数の個数: 48

約数和(自身を含む): 46539360

約数和(自身を除く): 28483520

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 10259, 20518, 41036, 51295, 82072, 102590, 112849, 164144, 205180, 225698, 328288, 410360, 451396, 564245, 820720, 902792, 1128490, 1641440, 1805584, 2256980, 3611168, 4513960, 9027920, 18055840]

約数ペア:

[(1, 18055840), (2, 9027920), (4, 4513960), (5, 3611168), (8, 2256980), (10, 1805584), (11, 1641440), (16, 1128490), (20, 902792), (22, 820720), (32, 564245), (40, 451396), (44, 410360), (55, 328288), (80, 225698), (88, 205180), (110, 164144), (160, 112849), (176, 102590), (220, 82072), (352, 51295), (440, 41036), (880, 20518), (1760, 10259)]