19238288

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{70729}}^1$

素因数の和:70754

約数の個数: 20

約数和(自身を含む): 39467340

約数和(自身を除く): 20229052

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 70729, 141458, 282916, 565832, 1131664, 1202393, 2404786, 4809572, 9619144, 19238288]

約数ペア:

[(1, 19238288), (2, 9619144), (4, 4809572), (8, 2404786), (16, 1202393), (17, 1131664), (34, 565832), (68, 282916), (136, 141458), (272, 70729)]