19680966

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{1019}}^1$

素因数の和:1093

約数の個数: 48

約数和(自身を含む): 45349200

約数和(自身を除く): 25668234

約数列:

[1, 2, 3, 6, 9, 18, 29, 37, 58, 74, 87, 111, 174, 222, 261, 333, 522, 666, 1019, 1073, 2038, 2146, 3057, 3219, 6114, 6438, 9171, 9657, 18342, 19314, 29551, 37703, 59102, 75406, 88653, 113109, 177306, 226218, 265959, 339327, 531918, 678654, 1093387, 2186774, 3280161, 6560322, 9840483, 19680966]

約数ペア:

[(1, 19680966), (2, 9840483), (3, 6560322), (6, 3280161), (9, 2186774), (18, 1093387), (29, 678654), (37, 531918), (58, 339327), (74, 265959), (87, 226218), (111, 177306), (174, 113109), (222, 88653), (261, 75406), (333, 59102), (522, 37703), (666, 29551), (1019, 19314), (1073, 18342), (2038, 9657), (2146, 9171), (3057, 6438), (3219, 6114)]