20171851947

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{499}}^1\times {\mathrm{4733}}^1$

素因数の和:5324

約数の個数: 48

約数和(自身を含む): 31878756000

約数和(自身を除く): 11706904053

約数列:

[1, 3, 9, 13, 39, 73, 117, 219, 499, 657, 949, 1497, 2847, 4491, 4733, 6487, 8541, 14199, 19461, 36427, 42597, 58383, 61529, 109281, 184587, 327843, 345509, 473551, 553761, 1036527, 1420653, 2361767, 3109581, 4261959, 4491617, 7085301, 13474851, 21255903, 30702971, 40424553, 92108913, 172408991, 276326739, 517226973, 1551680919, 2241316883, 6723950649, 20171851947]

約数ペア:

[(1, 20171851947), (3, 6723950649), (9, 2241316883), (13, 1551680919), (39, 517226973), (73, 276326739), (117, 172408991), (219, 92108913), (499, 40424553), (657, 30702971), (949, 21255903), (1497, 13474851), (2847, 7085301), (4491, 4491617), (4733, 4261959), (6487, 3109581), (8541, 2361767), (14199, 1420653), (19461, 1036527), (36427, 553761), (42597, 473551), (58383, 345509), (61529, 327843), (109281, 184587)]