18532437

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{157}}^1$

素因数の和:258

約数の個数: 48

約数和(自身を含む): 31989312

約数和(自身を除く): 13456875

約数列:

[1, 3, 7, 11, 21, 33, 49, 73, 77, 147, 157, 219, 231, 471, 511, 539, 803, 1099, 1533, 1617, 1727, 2409, 3297, 3577, 5181, 5621, 7693, 10731, 11461, 12089, 16863, 23079, 34383, 36267, 39347, 80227, 84623, 118041, 126071, 240681, 253869, 378213, 561589, 882497, 1684767, 2647491, 6177479, 18532437]

約数ペア:

[(1, 18532437), (3, 6177479), (7, 2647491), (11, 1684767), (21, 882497), (33, 561589), (49, 378213), (73, 253869), (77, 240681), (147, 126071), (157, 118041), (219, 84623), (231, 80227), (471, 39347), (511, 36267), (539, 34383), (803, 23079), (1099, 16863), (1533, 12089), (1617, 11461), (1727, 10731), (2409, 7693), (3297, 5621), (3577, 5181)]