19560788

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{5153}}^1$

素因数の和:5243

約数の個数: 24

約数和(自身を含む): 37376808

約数和(自身を除く): 17816020

約数列:

[1, 2, 4, 13, 26, 52, 73, 146, 292, 949, 1898, 3796, 5153, 10306, 20612, 66989, 133978, 267956, 376169, 752338, 1504676, 4890197, 9780394, 19560788]

約数ペア:

[(1, 19560788), (2, 9780394), (4, 4890197), (13, 1504676), (26, 752338), (52, 376169), (73, 267956), (146, 133978), (292, 66989), (949, 20612), (1898, 10306), (3796, 5153)]