19967256

素因数分解:

$2^3\times 3^3\times {\mathrm{97}}^1\times {\mathrm{953}}^1$

素因数の和:1065

約数の個数: 64

約数和(自身を含む): 56095200

約数和(自身を除く): 36127944

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 97, 108, 194, 216, 291, 388, 582, 776, 873, 953, 1164, 1746, 1906, 2328, 2619, 2859, 3492, 3812, 5238, 5718, 6984, 7624, 8577, 10476, 11436, 17154, 20952, 22872, 25731, 34308, 51462, 68616, 92441, 102924, 184882, 205848, 277323, 369764, 554646, 739528, 831969, 1109292, 1663938, 2218584, 2495907, 3327876, 4991814, 6655752, 9983628, 19967256]

約数ペア:

[(1, 19967256), (2, 9983628), (3, 6655752), (4, 4991814), (6, 3327876), (8, 2495907), (9, 2218584), (12, 1663938), (18, 1109292), (24, 831969), (27, 739528), (36, 554646), (54, 369764), (72, 277323), (97, 205848), (108, 184882), (194, 102924), (216, 92441), (291, 68616), (388, 51462), (582, 34308), (776, 25731), (873, 22872), (953, 20952), (1164, 17154), (1746, 11436), (1906, 10476), (2328, 8577), (2619, 7624), (2859, 6984), (3492, 5718), (3812, 5238)]