19630156

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{271}}^1$

素因数の和:494

約数の個数: 48

約数和(自身を含む): 42649600

約数和(自身を除く): 23019444

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 199, 271, 364, 398, 542, 796, 1084, 1393, 1897, 2587, 2786, 3523, 3794, 5174, 5572, 7046, 7588, 10348, 14092, 18109, 24661, 36218, 49322, 53929, 72436, 98644, 107858, 215716, 377503, 701077, 755006, 1402154, 1510012, 2804308, 4907539, 9815078, 19630156]

約数ペア:

[(1, 19630156), (2, 9815078), (4, 4907539), (7, 2804308), (13, 1510012), (14, 1402154), (26, 755006), (28, 701077), (52, 377503), (91, 215716), (182, 107858), (199, 98644), (271, 72436), (364, 53929), (398, 49322), (542, 36218), (796, 24661), (1084, 18109), (1393, 14092), (1897, 10348), (2587, 7588), (2786, 7046), (3523, 5572), (3794, 5174)]