19775097

素因数分解:

$3^5\times {\mathrm{17}}^1\times {\mathrm{4787}}^1$

素因数の和:4819

約数の個数: 24

約数和(自身を含む): 31370976

約数和(自身を除く): 11595879

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 243, 459, 1377, 4131, 4787, 14361, 43083, 81379, 129249, 244137, 387747, 732411, 1163241, 2197233, 6591699, 19775097]

約数ペア:

[(1, 19775097), (3, 6591699), (9, 2197233), (17, 1163241), (27, 732411), (51, 387747), (81, 244137), (153, 129249), (243, 81379), (459, 43083), (1377, 14361), (4131, 4787)]