18907707

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{69259}}^1$

素因数の和:69282

約数の個数: 16

約数和(自身を含む): 31028480

約数和(自身を除く): 12120773

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 69259, 207777, 484813, 900367, 1454439, 2701101, 6302569, 18907707]

約数ペア:

[(1, 18907707), (3, 6302569), (7, 2701101), (13, 1454439), (21, 900367), (39, 484813), (91, 207777), (273, 69259)]