19352193

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{739}}^1$

素因数の和:821

約数の個数: 32

約数和(自身を含む): 31257600

約数和(自身を除く): 11905407

約数列:

[1, 3, 7, 21, 29, 43, 87, 129, 203, 301, 609, 739, 903, 1247, 2217, 3741, 5173, 8729, 15519, 21431, 26187, 31777, 64293, 95331, 150017, 222439, 450051, 667317, 921533, 2764599, 6450731, 19352193]

約数ペア:

[(1, 19352193), (3, 6450731), (7, 2764599), (21, 921533), (29, 667317), (43, 450051), (87, 222439), (129, 150017), (203, 95331), (301, 64293), (609, 31777), (739, 26187), (903, 21431), (1247, 15519), (2217, 8729), (3741, 5173)]