19724768

素因数分解:

$2^5\times 7^1\times {\mathrm{173}}^1\times {\mathrm{509}}^1$

素因数の和:699

約数の個数: 48

約数和(自身を含む): 44724960

約数和(自身を除く): 25000192

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 173, 224, 346, 509, 692, 1018, 1211, 1384, 2036, 2422, 2768, 3563, 4072, 4844, 5536, 7126, 8144, 9688, 14252, 16288, 19376, 28504, 38752, 57008, 88057, 114016, 176114, 352228, 616399, 704456, 1232798, 1408912, 2465596, 2817824, 4931192, 9862384, 19724768]

約数ペア:

[(1, 19724768), (2, 9862384), (4, 4931192), (7, 2817824), (8, 2465596), (14, 1408912), (16, 1232798), (28, 704456), (32, 616399), (56, 352228), (112, 176114), (173, 114016), (224, 88057), (346, 57008), (509, 38752), (692, 28504), (1018, 19376), (1211, 16288), (1384, 14252), (2036, 9688), (2422, 8144), (2768, 7126), (3563, 5536), (4072, 4844)]