19163120

素因数分解:

$2^4\times 5^1\times {\mathrm{239539}}^1$

素因数の和:239552

約数の個数: 20

約数和(自身を含む): 44554440

約数和(自身を除く): 25391320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 239539, 479078, 958156, 1197695, 1916312, 2395390, 3832624, 4790780, 9581560, 19163120]

約数ペア:

[(1, 19163120), (2, 9581560), (4, 4790780), (5, 3832624), (8, 2395390), (10, 1916312), (16, 1197695), (20, 958156), (40, 479078), (80, 239539)]