19180071

素因数分解:

$3^4\times {\mathrm{107}}^1\times {\mathrm{2213}}^1$

素因数の和:2332

約数の個数: 20

約数和(自身を含む): 28932552

約数和(自身を除く): 9752481

約数列:

[1, 3, 9, 27, 81, 107, 321, 963, 2213, 2889, 6639, 8667, 19917, 59751, 179253, 236791, 710373, 2131119, 6393357, 19180071]

約数ペア:

[(1, 19180071), (3, 6393357), (9, 2131119), (27, 710373), (81, 236791), (107, 179253), (321, 59751), (963, 19917), (2213, 8667), (2889, 6639)]