18864417

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43973}}^1$

素因数の和:44000

約数の個数: 16

約数和(自身を含む): 29550528

約数和(自身を除く): 10686111

約数列:

[1, 3, 11, 13, 33, 39, 143, 429, 43973, 131919, 483703, 571649, 1451109, 1714947, 6288139, 18864417]

約数ペア:

[(1, 18864417), (3, 6288139), (11, 1714947), (13, 1451109), (33, 571649), (39, 483703), (143, 131919), (429, 43973)]