18404295

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{139}}^1$

素因数の和:264

約数の個数: 64

約数和(自身を含む): 36879360

約数和(自身を除く): 18475065

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 91, 97, 105, 139, 195, 273, 291, 417, 455, 485, 679, 695, 973, 1261, 1365, 1455, 1807, 2037, 2085, 2919, 3395, 3783, 4865, 5421, 6305, 8827, 9035, 10185, 12649, 13483, 14595, 18915, 26481, 27105, 37947, 40449, 44135, 63245, 67415, 94381, 132405, 175279, 189735, 202245, 283143, 471905, 525837, 876395, 1226953, 1415715, 2629185, 3680859, 6134765, 18404295]

約数ペア:

[(1, 18404295), (3, 6134765), (5, 3680859), (7, 2629185), (13, 1415715), (15, 1226953), (21, 876395), (35, 525837), (39, 471905), (65, 283143), (91, 202245), (97, 189735), (105, 175279), (139, 132405), (195, 94381), (273, 67415), (291, 63245), (417, 44135), (455, 40449), (485, 37947), (679, 27105), (695, 26481), (973, 18915), (1261, 14595), (1365, 13483), (1455, 12649), (1807, 10185), (2037, 9035), (2085, 8827), (2919, 6305), (3395, 5421), (3783, 4865)]