18989803742

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{337}}^1\times {\mathrm{409}}^1\times {\mathrm{757}}^1$

素因数の和:1525

約数の個数: 64

約数和(自身を含む): 35294663040

約数和(自身を除く): 16304859298

約数列:

[1, 2, 7, 13, 14, 26, 91, 182, 337, 409, 674, 757, 818, 1514, 2359, 2863, 4381, 4718, 5299, 5317, 5726, 8762, 9841, 10598, 10634, 19682, 30667, 37219, 61334, 68887, 74438, 137774, 137833, 255109, 275666, 309613, 510218, 619226, 964831, 1785763, 1791829, 1929662, 2167291, 3316417, 3571526, 3583658, 4024969, 4334582, 6632834, 8049938, 12542803, 23214919, 25085606, 28174783, 46429838, 56349566, 104339581, 208679162, 730377067, 1356414553, 1460754134, 2712829106, 9494901871, 18989803742]

約数ペア:

[(1, 18989803742), (2, 9494901871), (7, 2712829106), (13, 1460754134), (14, 1356414553), (26, 730377067), (91, 208679162), (182, 104339581), (337, 56349566), (409, 46429838), (674, 28174783), (757, 25085606), (818, 23214919), (1514, 12542803), (2359, 8049938), (2863, 6632834), (4381, 4334582), (4718, 4024969), (5299, 3583658), (5317, 3571526), (5726, 3316417), (8762, 2167291), (9841, 1929662), (10598, 1791829), (10634, 1785763), (19682, 964831), (30667, 619226), (37219, 510218), (61334, 309613), (68887, 275666), (74438, 255109), (137774, 137833)]