19555239

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{13781}}^1$

素因数の和:13838

約数の個数: 16

約数和(自身を含む): 29107584

約数和(自身を除く): 9552345

約数列:

[1, 3, 11, 33, 43, 129, 473, 1419, 13781, 41343, 151591, 454773, 592583, 1777749, 6518413, 19555239]

約数ペア:

[(1, 19555239), (3, 6518413), (11, 1777749), (33, 592583), (43, 454773), (129, 151591), (473, 41343), (1419, 13781)]