19645864

素因数分解:

$2^3\times 7^2\times {\mathrm{23}}^1\times {\mathrm{2179}}^1$

素因数の和:2222

約数の個数: 48

約数和(自身を含む): 44733600

約数和(自身を除く): 25087736

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 49, 56, 92, 98, 161, 184, 196, 322, 392, 644, 1127, 1288, 2179, 2254, 4358, 4508, 8716, 9016, 15253, 17432, 30506, 50117, 61012, 100234, 106771, 122024, 200468, 213542, 350819, 400936, 427084, 701638, 854168, 1403276, 2455733, 2806552, 4911466, 9822932, 19645864]

約数ペア:

[(1, 19645864), (2, 9822932), (4, 4911466), (7, 2806552), (8, 2455733), (14, 1403276), (23, 854168), (28, 701638), (46, 427084), (49, 400936), (56, 350819), (92, 213542), (98, 200468), (161, 122024), (184, 106771), (196, 100234), (322, 61012), (392, 50117), (644, 30506), (1127, 17432), (1288, 15253), (2179, 9016), (2254, 8716), (4358, 4508)]