19663452

素因数分解:

$2^2\times 3^3\times {\mathrm{97}}^1\times {\mathrm{1877}}^1$

素因数の和:1987

約数の個数: 48

約数和(自身を含む): 51532320

約数和(自身を除く): 31868868

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 97, 108, 194, 291, 388, 582, 873, 1164, 1746, 1877, 2619, 3492, 3754, 5238, 5631, 7508, 10476, 11262, 16893, 22524, 33786, 50679, 67572, 101358, 182069, 202716, 364138, 546207, 728276, 1092414, 1638621, 2184828, 3277242, 4915863, 6554484, 9831726, 19663452]

約数ペア:

[(1, 19663452), (2, 9831726), (3, 6554484), (4, 4915863), (6, 3277242), (9, 2184828), (12, 1638621), (18, 1092414), (27, 728276), (36, 546207), (54, 364138), (97, 202716), (108, 182069), (194, 101358), (291, 67572), (388, 50679), (582, 33786), (873, 22524), (1164, 16893), (1746, 11262), (1877, 10476), (2619, 7508), (3492, 5631), (3754, 5238)]