19906455

素因数分解:

$3^1\times 5^1\times {\mathrm{439}}^1\times {\mathrm{3023}}^1$

素因数の和:3470

約数の個数: 16

約数和(自身を含む): 31933440

約数和(自身を除く): 12026985

約数列:

[1, 3, 5, 15, 439, 1317, 2195, 3023, 6585, 9069, 15115, 45345, 1327097, 3981291, 6635485, 19906455]

約数ペア:

[(1, 19906455), (3, 6635485), (5, 3981291), (15, 1327097), (439, 45345), (1317, 15115), (2195, 9069), (3023, 6585)]