19103189

素因数分解:

$7^2\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1$

素因数の和:138

約数の個数: 36

約数和(自身を含む): 25198560

約数和(自身を除く): 6095371

約数列:

[1, 7, 17, 19, 49, 71, 119, 133, 289, 323, 497, 833, 931, 1207, 1349, 2023, 2261, 3479, 5491, 8449, 9443, 14161, 15827, 20519, 22933, 38437, 59143, 66101, 143633, 160531, 269059, 389861, 1005431, 1123717, 2729027, 19103189]

約数ペア:

[(1, 19103189), (7, 2729027), (17, 1123717), (19, 1005431), (49, 389861), (71, 269059), (119, 160531), (133, 143633), (289, 66101), (323, 59143), (497, 38437), (833, 22933), (931, 20519), (1207, 15827), (1349, 14161), (2023, 9443), (2261, 8449), (3479, 5491)]