19239297

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{2251}}^1$

素因数の和:2309

約数の個数: 32

約数和(自身を含む): 32861184

約数和(自身を除く): 13621887

約数列:

[1, 3, 7, 11, 21, 33, 37, 77, 111, 231, 259, 407, 777, 1221, 2251, 2849, 6753, 8547, 15757, 24761, 47271, 74283, 83287, 173327, 249861, 519981, 583009, 916157, 1749027, 2748471, 6413099, 19239297]

約数ペア:

[(1, 19239297), (3, 6413099), (7, 2748471), (11, 1749027), (21, 916157), (33, 583009), (37, 519981), (77, 249861), (111, 173327), (231, 83287), (259, 74283), (407, 47271), (777, 24761), (1221, 15757), (2251, 8547), (2849, 6753)]