18666984

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{4831}}^1$

素因数の和:4870

約数の個数: 64

約数和(自身を含む): 55664640

約数和(自身を除く): 36997656

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 23, 24, 28, 42, 46, 56, 69, 84, 92, 138, 161, 168, 184, 276, 322, 483, 552, 644, 966, 1288, 1932, 3864, 4831, 9662, 14493, 19324, 28986, 33817, 38648, 57972, 67634, 101451, 111113, 115944, 135268, 202902, 222226, 270536, 333339, 405804, 444452, 666678, 777791, 811608, 888904, 1333356, 1555582, 2333373, 2666712, 3111164, 4666746, 6222328, 9333492, 18666984]

約数ペア:

[(1, 18666984), (2, 9333492), (3, 6222328), (4, 4666746), (6, 3111164), (7, 2666712), (8, 2333373), (12, 1555582), (14, 1333356), (21, 888904), (23, 811608), (24, 777791), (28, 666678), (42, 444452), (46, 405804), (56, 333339), (69, 270536), (84, 222226), (92, 202902), (138, 135268), (161, 115944), (168, 111113), (184, 101451), (276, 67634), (322, 57972), (483, 38648), (552, 33817), (644, 28986), (966, 19324), (1288, 14493), (1932, 9662), (3864, 4831)]