19212368

素因数分解:

$2^4\times 7^1\times {\mathrm{171539}}^1$

素因数の和:171554

約数の個数: 20

約数和(自身を含む): 42541920

約数和(自身を除く): 23329552

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 171539, 343078, 686156, 1200773, 1372312, 2401546, 2744624, 4803092, 9606184, 19212368]

約数ペア:

[(1, 19212368), (2, 9606184), (4, 4803092), (7, 2744624), (8, 2401546), (14, 1372312), (16, 1200773), (28, 686156), (56, 343078), (112, 171539)]