19128465

素因数分解:

$3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{5987}}^1$

素因数の和:6069

約数の個数: 24

約数和(自身を含む): 33628608

約数和(自身を除く): 14500143

約数列:

[1, 3, 5, 9, 15, 45, 71, 213, 355, 639, 1065, 3195, 5987, 17961, 29935, 53883, 89805, 269415, 425077, 1275231, 2125385, 3825693, 6376155, 19128465]

約数ペア:

[(1, 19128465), (3, 6376155), (5, 3825693), (9, 2125385), (15, 1275231), (45, 425077), (71, 269415), (213, 89805), (355, 53883), (639, 29935), (1065, 17961), (3195, 5987)]