18948328

素因数分解:

$2^3\times 7^1\times {\mathrm{563}}^1\times {\mathrm{601}}^1$

素因数の和:1177

約数の個数: 32

約数和(自身を含む): 40743360

約数和(自身を除く): 21795032

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 563, 601, 1126, 1202, 2252, 2404, 3941, 4207, 4504, 4808, 7882, 8414, 15764, 16828, 31528, 33656, 338363, 676726, 1353452, 2368541, 2706904, 4737082, 9474164, 18948328]

約数ペア:

[(1, 18948328), (2, 9474164), (4, 4737082), (7, 2706904), (8, 2368541), (14, 1353452), (28, 676726), (56, 338363), (563, 33656), (601, 31528), (1126, 16828), (1202, 15764), (2252, 8414), (2404, 7882), (3941, 4808), (4207, 4504)]