19899576

素因数分解:

$2^3\times 3^2\times {\mathrm{479}}^1\times {\mathrm{577}}^1$

素因数の和:1068

約数の個数: 48

約数和(自身を含む): 54100800

約数和(自身を除く): 34201224

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 479, 577, 958, 1154, 1437, 1731, 1916, 2308, 2874, 3462, 3832, 4311, 4616, 5193, 5748, 6924, 8622, 10386, 11496, 13848, 17244, 20772, 34488, 41544, 276383, 552766, 829149, 1105532, 1658298, 2211064, 2487447, 3316596, 4974894, 6633192, 9949788, 19899576]

約数ペア:

[(1, 19899576), (2, 9949788), (3, 6633192), (4, 4974894), (6, 3316596), (8, 2487447), (9, 2211064), (12, 1658298), (18, 1105532), (24, 829149), (36, 552766), (72, 276383), (479, 41544), (577, 34488), (958, 20772), (1154, 17244), (1437, 13848), (1731, 11496), (1916, 10386), (2308, 8622), (2874, 6924), (3462, 5748), (3832, 5193), (4311, 4616)]