19496884

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^2$

素因数の和:244

約数の個数: 36

約数和(自身を含む): 38229408

約数和(自身を除く): 18732524

約数列:

[1, 2, 4, 11, 22, 44, 71, 79, 142, 158, 284, 316, 781, 869, 1562, 1738, 3124, 3476, 5609, 6241, 11218, 12482, 22436, 24964, 61699, 68651, 123398, 137302, 246796, 274604, 443111, 886222, 1772444, 4874221, 9748442, 19496884]

約数ペア:

[(1, 19496884), (2, 9748442), (4, 4874221), (11, 1772444), (22, 886222), (44, 443111), (71, 274604), (79, 246796), (142, 137302), (158, 123398), (284, 68651), (316, 61699), (781, 24964), (869, 22436), (1562, 12482), (1738, 11218), (3124, 6241), (3476, 5609)]