19172956

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{11777}}^1$

素因数の和:11829

約数の個数: 24

約数和(自身を含む): 37595376

約数和(自身を除く): 18422420

約数列:

[1, 2, 4, 11, 22, 37, 44, 74, 148, 407, 814, 1628, 11777, 23554, 47108, 129547, 259094, 435749, 518188, 871498, 1742996, 4793239, 9586478, 19172956]

約数ペア:

[(1, 19172956), (2, 9586478), (4, 4793239), (11, 1742996), (22, 871498), (37, 518188), (44, 435749), (74, 259094), (148, 129547), (407, 47108), (814, 23554), (1628, 11777)]