19923135

素因数分解:

$3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{10139}}^1$

素因数の和:10278

約数の個数: 16

約数和(自身を含む): 32123520

約数和(自身を除く): 12200385

約数列:

[1, 3, 5, 15, 131, 393, 655, 1965, 10139, 30417, 50695, 152085, 1328209, 3984627, 6641045, 19923135]

約数ペア:

[(1, 19923135), (3, 6641045), (5, 3984627), (15, 1328209), (131, 152085), (393, 50695), (655, 30417), (1965, 10139)]