18199768951

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{121727}}^1$

素因数の和:121831

約数の個数: 32

約数和(自身を含む): 23558750208

約数和(自身を除く): 5358981257

約数列:

[1, 7, 13, 31, 53, 91, 217, 371, 403, 689, 1643, 2821, 4823, 11501, 21359, 121727, 149513, 852089, 1582451, 3773537, 6451531, 11077157, 26414759, 45160717, 49055981, 83869903, 199997461, 343391867, 587089321, 1399982227, 2599966993, 18199768951]

約数ペア:

[(1, 18199768951), (7, 2599966993), (13, 1399982227), (31, 587089321), (53, 343391867), (91, 199997461), (217, 83869903), (371, 49055981), (403, 45160717), (689, 26414759), (1643, 11077157), (2821, 6451531), (4823, 3773537), (11501, 1582451), (21359, 852089), (121727, 149513)]