19903140777

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^2\times {\mathrm{276007}}^1$

素因数の和:276109

約数の個数: 24

約数和(自身を含む): 29259056064

約数和(自身を除く): 9355915287

約数列:

[1, 3, 13, 39, 43, 129, 559, 1677, 1849, 5547, 24037, 72111, 276007, 828021, 3588091, 10764273, 11868301, 35604903, 154287913, 462863739, 510336943, 1531010829, 6634380259, 19903140777]

約数ペア:

[(1, 19903140777), (3, 6634380259), (13, 1531010829), (39, 510336943), (43, 462863739), (129, 154287913), (559, 35604903), (1677, 11868301), (1849, 10764273), (5547, 3588091), (24037, 828021), (72111, 276007)]