19668565

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{461}}^1$

素因数の和:549

約数の個数: 32

約数和(自身を含む): 28740096

約数和(自身を除く): 9071531

約数列:

[1, 5, 7, 23, 35, 53, 115, 161, 265, 371, 461, 805, 1219, 1855, 2305, 3227, 6095, 8533, 10603, 16135, 24433, 42665, 53015, 74221, 122165, 171031, 371105, 561959, 855155, 2809795, 3933713, 19668565]

約数ペア:

[(1, 19668565), (5, 3933713), (7, 2809795), (23, 855155), (35, 561959), (53, 371105), (115, 171031), (161, 122165), (265, 74221), (371, 53015), (461, 42665), (805, 24433), (1219, 16135), (1855, 10603), (2305, 8533), (3227, 6095)]