19707129

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{433}}^1$

素因数の和:841

約数の個数: 24

約数和(自身を含む): 30805320

約数和(自身を除く): 11098191

約数列:

[1, 3, 9, 13, 39, 117, 389, 433, 1167, 1299, 3501, 3897, 5057, 5629, 15171, 16887, 45513, 50661, 168437, 505311, 1515933, 2189681, 6569043, 19707129]

約数ペア:

[(1, 19707129), (3, 6569043), (9, 2189681), (13, 1515933), (39, 505311), (117, 168437), (389, 50661), (433, 45513), (1167, 16887), (1299, 15171), (3501, 5629), (3897, 5057)]