18016728

素因数分解:

$2^3\times 3^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{257}}^1$

素因数の和:416

約数の個数: 64

約数和(自身を含む): 47554560

約数和(自身を除く): 29537832

約数列:

[1, 2, 3, 4, 6, 8, 12, 23, 24, 46, 69, 92, 127, 138, 184, 254, 257, 276, 381, 508, 514, 552, 762, 771, 1016, 1028, 1524, 1542, 2056, 2921, 3048, 3084, 5842, 5911, 6168, 8763, 11684, 11822, 17526, 17733, 23368, 23644, 32639, 35052, 35466, 47288, 65278, 70104, 70932, 97917, 130556, 141864, 195834, 261112, 391668, 750697, 783336, 1501394, 2252091, 3002788, 4504182, 6005576, 9008364, 18016728]

約数ペア:

[(1, 18016728), (2, 9008364), (3, 6005576), (4, 4504182), (6, 3002788), (8, 2252091), (12, 1501394), (23, 783336), (24, 750697), (46, 391668), (69, 261112), (92, 195834), (127, 141864), (138, 130556), (184, 97917), (254, 70932), (257, 70104), (276, 65278), (381, 47288), (508, 35466), (514, 35052), (552, 32639), (762, 23644), (771, 23368), (1016, 17733), (1028, 17526), (1524, 11822), (1542, 11684), (2056, 8763), (2921, 6168), (3048, 5911), (3084, 5842)]