19782854

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{1489}}^1$

素因数の和:1584

約数の個数: 32

約数和(自身を含む): 37047360

約数和(自身を除く): 17264506

約数列:

[1, 2, 7, 13, 14, 26, 73, 91, 146, 182, 511, 949, 1022, 1489, 1898, 2978, 6643, 10423, 13286, 19357, 20846, 38714, 108697, 135499, 217394, 270998, 760879, 1413061, 1521758, 2826122, 9891427, 19782854]

約数ペア:

[(1, 19782854), (2, 9891427), (7, 2826122), (13, 1521758), (14, 1413061), (26, 760879), (73, 270998), (91, 217394), (146, 135499), (182, 108697), (511, 38714), (949, 20846), (1022, 19357), (1489, 13286), (1898, 10423), (2978, 6643)]