19669905

素因数分解:

$3^3\times 5^1\times {\mathrm{145703}}^1$

素因数の和:145717

約数の個数: 16

約数和(自身を含む): 34968960

約数和(自身を除く): 15299055

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 145703, 437109, 728515, 1311327, 2185545, 3933981, 6556635, 19669905]

約数ペア:

[(1, 19669905), (3, 6556635), (5, 3933981), (9, 2185545), (15, 1311327), (27, 728515), (45, 437109), (135, 145703)]