18788588

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{727}}^1$

素因数の和:822

約数の個数: 48

約数和(自身を含む): 41094144

約数和(自身を除く): 22305556

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 71, 91, 142, 182, 284, 364, 497, 727, 923, 994, 1454, 1846, 1988, 2908, 3692, 5089, 6461, 9451, 10178, 12922, 18902, 20356, 25844, 37804, 51617, 66157, 103234, 132314, 206468, 264628, 361319, 671021, 722638, 1342042, 1445276, 2684084, 4697147, 9394294, 18788588]

約数ペア:

[(1, 18788588), (2, 9394294), (4, 4697147), (7, 2684084), (13, 1445276), (14, 1342042), (26, 722638), (28, 671021), (52, 361319), (71, 264628), (91, 206468), (142, 132314), (182, 103234), (284, 66157), (364, 51617), (497, 37804), (727, 25844), (923, 20356), (994, 18902), (1454, 12922), (1846, 10178), (1988, 9451), (2908, 6461), (3692, 5089)]