19380368

素因数分解:

$2^4\times 7^1\times {\mathrm{173039}}^1$

素因数の和:173054

約数の個数: 20

約数和(自身を含む): 42913920

約数和(自身を除く): 23533552

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 173039, 346078, 692156, 1211273, 1384312, 2422546, 2768624, 4845092, 9690184, 19380368]

約数ペア:

[(1, 19380368), (2, 9690184), (4, 4845092), (7, 2768624), (8, 2422546), (14, 1384312), (16, 1211273), (28, 692156), (56, 346078), (112, 173039)]