19304168

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{419}}^1\times {\mathrm{443}}^1$

素因数の和:881

約数の個数: 32

約数和(自身を含む): 39160800

約数和(自身を除く): 19856632

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 419, 443, 838, 886, 1676, 1772, 3352, 3544, 5447, 5759, 10894, 11518, 21788, 23036, 43576, 46072, 185617, 371234, 742468, 1484936, 2413021, 4826042, 9652084, 19304168]

約数ペア:

[(1, 19304168), (2, 9652084), (4, 4826042), (8, 2413021), (13, 1484936), (26, 742468), (52, 371234), (104, 185617), (419, 46072), (443, 43576), (838, 23036), (886, 21788), (1676, 11518), (1772, 10894), (3352, 5759), (3544, 5447)]