19657239

素因数分解:

$3^1\times 7^1\times {\mathrm{443}}^1\times {\mathrm{2113}}^1$

素因数の和:2566

約数の個数: 16

約数和(自身を含む): 30035712

約数和(自身を除く): 10378473

約数列:

[1, 3, 7, 21, 443, 1329, 2113, 3101, 6339, 9303, 14791, 44373, 936059, 2808177, 6552413, 19657239]

約数ペア:

[(1, 19657239), (3, 6552413), (7, 2808177), (21, 936059), (443, 44373), (1329, 14791), (2113, 9303), (3101, 6339)]