18930352

素因数分解:

$2^4\times 7^1\times {\mathrm{173}}^1\times {\mathrm{977}}^1$

素因数の和:1165

約数の個数: 40

約数和(自身を含む): 42202656

約数和(自身を除く): 23272304

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 173, 346, 692, 977, 1211, 1384, 1954, 2422, 2768, 3908, 4844, 6839, 7816, 9688, 13678, 15632, 19376, 27356, 54712, 109424, 169021, 338042, 676084, 1183147, 1352168, 2366294, 2704336, 4732588, 9465176, 18930352]

約数ペア:

[(1, 18930352), (2, 9465176), (4, 4732588), (7, 2704336), (8, 2366294), (14, 1352168), (16, 1183147), (28, 676084), (56, 338042), (112, 169021), (173, 109424), (346, 54712), (692, 27356), (977, 19376), (1211, 15632), (1384, 13678), (1954, 9688), (2422, 7816), (2768, 6839), (3908, 4844)]