19151784

素因数分解:

$2^3\times 3^2\times {\mathrm{461}}^1\times {\mathrm{577}}^1$

素因数の和:1050

約数の個数: 48

約数和(自身を含む): 52072020

約数和(自身を除く): 32920236

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 461, 577, 922, 1154, 1383, 1731, 1844, 2308, 2766, 3462, 3688, 4149, 4616, 5193, 5532, 6924, 8298, 10386, 11064, 13848, 16596, 20772, 33192, 41544, 265997, 531994, 797991, 1063988, 1595982, 2127976, 2393973, 3191964, 4787946, 6383928, 9575892, 19151784]

約数ペア:

[(1, 19151784), (2, 9575892), (3, 6383928), (4, 4787946), (6, 3191964), (8, 2393973), (9, 2127976), (12, 1595982), (18, 1063988), (24, 797991), (36, 531994), (72, 265997), (461, 41544), (577, 33192), (922, 20772), (1154, 16596), (1383, 13848), (1731, 11064), (1844, 10386), (2308, 8298), (2766, 6924), (3462, 5532), (3688, 5193), (4149, 4616)]