19778052

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{1361}}^1$

素因数の和:1548

約数の個数: 48

約数和(自身を含む): 53085312

約数和(自身を除く): 33307260

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 173, 346, 519, 692, 1038, 1211, 1361, 2076, 2422, 2722, 3633, 4083, 4844, 5444, 7266, 8166, 9527, 14532, 16332, 19054, 28581, 38108, 57162, 114324, 235453, 470906, 706359, 941812, 1412718, 1648171, 2825436, 3296342, 4944513, 6592684, 9889026, 19778052]

約数ペア:

[(1, 19778052), (2, 9889026), (3, 6592684), (4, 4944513), (6, 3296342), (7, 2825436), (12, 1648171), (14, 1412718), (21, 941812), (28, 706359), (42, 470906), (84, 235453), (173, 114324), (346, 57162), (519, 38108), (692, 28581), (1038, 19054), (1211, 16332), (1361, 14532), (2076, 9527), (2422, 8166), (2722, 7266), (3633, 5444), (4083, 4844)]