19290393

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{14009}}^1$

素因数の和:14038

約数の個数: 20

約数和(自身を含む): 30513780

約数和(自身を除く): 11223387

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 14009, 42027, 126081, 238153, 378243, 714459, 1134729, 2143377, 6430131, 19290393]

約数ペア:

[(1, 19290393), (3, 6430131), (9, 2143377), (17, 1134729), (27, 714459), (51, 378243), (81, 238153), (153, 126081), (459, 42027), (1377, 14009)]