19745392

素因数分解:

$2^4\times {\mathrm{661}}^1\times {\mathrm{1867}}^1$

素因数の和:2536

約数の個数: 20

約数和(自身を含む): 38335096

約数和(自身を除く): 18589704

約数列:

[1, 2, 4, 8, 16, 661, 1322, 1867, 2644, 3734, 5288, 7468, 10576, 14936, 29872, 1234087, 2468174, 4936348, 9872696, 19745392]

約数ペア:

[(1, 19745392), (2, 9872696), (4, 4936348), (8, 2468174), (16, 1234087), (661, 29872), (1322, 14936), (1867, 10576), (2644, 7468), (3734, 5288)]