19764212

素因数分解:

$2^2\times {\mathrm{13}}^4\times {\mathrm{173}}^1$

素因数の和:229

約数の個数: 30

約数和(自身を含む): 37686138

約数和(自身を除く): 17921926

約数列:

[1, 2, 4, 13, 26, 52, 169, 173, 338, 346, 676, 692, 2197, 2249, 4394, 4498, 8788, 8996, 28561, 29237, 57122, 58474, 114244, 116948, 380081, 760162, 1520324, 4941053, 9882106, 19764212]

約数ペア:

[(1, 19764212), (2, 9882106), (4, 4941053), (13, 1520324), (26, 760162), (52, 380081), (169, 116948), (173, 114244), (338, 58474), (346, 57122), (676, 29237), (692, 28561), (2197, 8996), (2249, 8788), (4394, 4498)]