19499354

素因数分解:

$2^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{211}}^1$

素因数の和:291

約数の個数: 48

約数和(自身を含む): 36542016

約数和(自身を除く): 17042662

約数列:

[1, 2, 7, 14, 23, 41, 46, 49, 82, 98, 161, 211, 287, 322, 422, 574, 943, 1127, 1477, 1886, 2009, 2254, 2954, 4018, 4853, 6601, 8651, 9706, 10339, 13202, 17302, 20678, 33971, 46207, 60557, 67942, 92414, 121114, 198973, 237797, 397946, 423899, 475594, 847798, 1392811, 2785622, 9749677, 19499354]

約数ペア:

[(1, 19499354), (2, 9749677), (7, 2785622), (14, 1392811), (23, 847798), (41, 475594), (46, 423899), (49, 397946), (82, 237797), (98, 198973), (161, 121114), (211, 92414), (287, 67942), (322, 60557), (422, 46207), (574, 33971), (943, 20678), (1127, 17302), (1477, 13202), (1886, 10339), (2009, 9706), (2254, 8651), (2954, 6601), (4018, 4853)]