19539458

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{1789}}^1$

素因数の和:1961

約数の個数: 16

約数和(自身を含む): 30243840

約数和(自身を除く): 10704382

約数列:

[1, 2, 43, 86, 127, 254, 1789, 3578, 5461, 10922, 76927, 153854, 227203, 454406, 9769729, 19539458]

約数ペア:

[(1, 19539458), (2, 9769729), (43, 454406), (86, 227203), (127, 153854), (254, 76927), (1789, 10922), (3578, 5461)]