19430885

素因数分解:

$5^1\times {\mathrm{101}}^1\times {\mathrm{109}}^1\times {\mathrm{353}}^1$

素因数の和:568

約数の個数: 16

約数和(自身を含む): 23831280

約数和(自身を除く): 4400395

約数列:

[1, 5, 101, 109, 353, 505, 545, 1765, 11009, 35653, 38477, 55045, 178265, 192385, 3886177, 19430885]

約数ペア:

[(1, 19430885), (5, 3886177), (101, 192385), (109, 178265), (353, 55045), (505, 38477), (545, 35653), (1765, 11009)]