19516336

素因数分解:

$2^4\times 7^1\times {\mathrm{271}}^1\times {\mathrm{643}}^1$

素因数の和:929

約数の個数: 40

約数和(自身を含む): 43441664

約数和(自身を除く): 23925328

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 271, 542, 643, 1084, 1286, 1897, 2168, 2572, 3794, 4336, 4501, 5144, 7588, 9002, 10288, 15176, 18004, 30352, 36008, 72016, 174253, 348506, 697012, 1219771, 1394024, 2439542, 2788048, 4879084, 9758168, 19516336]

約数ペア:

[(1, 19516336), (2, 9758168), (4, 4879084), (7, 2788048), (8, 2439542), (14, 1394024), (16, 1219771), (28, 697012), (56, 348506), (112, 174253), (271, 72016), (542, 36008), (643, 30352), (1084, 18004), (1286, 15176), (1897, 10288), (2168, 9002), (2572, 7588), (3794, 5144), (4336, 4501)]