18547876

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{2239}}^1$

素因数の和:2371

約数の個数: 24

約数和(自身を含む): 34496000

約数和(自身を除く): 15948124

約数列:

[1, 2, 4, 19, 38, 76, 109, 218, 436, 2071, 2239, 4142, 4478, 8284, 8956, 42541, 85082, 170164, 244051, 488102, 976204, 4636969, 9273938, 18547876]

約数ペア:

[(1, 18547876), (2, 9273938), (4, 4636969), (19, 976204), (38, 488102), (76, 244051), (109, 170164), (218, 85082), (436, 42541), (2071, 8956), (2239, 8284), (4142, 4478)]