19574048

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{223}}^1$

素因数の和:457

約数の個数: 48

約数和(自身を含む): 41884416

約数和(自身を除く): 22310368

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 211, 223, 416, 422, 446, 844, 892, 1688, 1784, 2743, 2899, 3376, 3568, 5486, 5798, 6752, 7136, 10972, 11596, 21944, 23192, 43888, 46384, 47053, 87776, 92768, 94106, 188212, 376424, 611689, 752848, 1223378, 1505696, 2446756, 4893512, 9787024, 19574048]

約数ペア:

[(1, 19574048), (2, 9787024), (4, 4893512), (8, 2446756), (13, 1505696), (16, 1223378), (26, 752848), (32, 611689), (52, 376424), (104, 188212), (208, 94106), (211, 92768), (223, 87776), (416, 47053), (422, 46384), (446, 43888), (844, 23192), (892, 21944), (1688, 11596), (1784, 10972), (2743, 7136), (2899, 6752), (3376, 5798), (3568, 5486)]