19389615

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{3929}}^1$

素因数の和:3991

約数の個数: 32

約数和(自身を含む): 36218880

約数和(自身を除く): 16829265

約数列:

[1, 3, 5, 7, 15, 21, 35, 47, 105, 141, 235, 329, 705, 987, 1645, 3929, 4935, 11787, 19645, 27503, 58935, 82509, 137515, 184663, 412545, 553989, 923315, 1292641, 2769945, 3877923, 6463205, 19389615]

約数ペア:

[(1, 19389615), (3, 6463205), (5, 3877923), (7, 2769945), (15, 1292641), (21, 923315), (35, 553989), (47, 412545), (105, 184663), (141, 137515), (235, 82509), (329, 58935), (705, 27503), (987, 19645), (1645, 11787), (3929, 4935)]