18129760

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{10301}}^1$

素因数の和:10327

約数の個数: 48

約数和(自身を含む): 46729872

約数和(自身を除く): 28600112

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, 10301, 20602, 41204, 51505, 82408, 103010, 113311, 164816, 206020, 226622, 329632, 412040, 453244, 566555, 824080, 906488, 1133110, 1648160, 1812976, 2266220, 3625952, 4532440, 9064880, 18129760]

約数ペア:

[(1, 18129760), (2, 9064880), (4, 4532440), (5, 3625952), (8, 2266220), (10, 1812976), (11, 1648160), (16, 1133110), (20, 906488), (22, 824080), (32, 566555), (40, 453244), (44, 412040), (55, 329632), (80, 226622), (88, 206020), (110, 164816), (160, 113311), (176, 103010), (220, 82408), (352, 51505), (440, 41204), (880, 20602), (1760, 10301)]