19668055

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{541}}^1\times {\mathrm{661}}^1$

素因数の和:1218

約数の個数: 16

約数和(自身を含む): 25833888

約数和(自身を除く): 6165833

約数列:

[1, 5, 11, 55, 541, 661, 2705, 3305, 5951, 7271, 29755, 36355, 357601, 1788005, 3933611, 19668055]

約数ペア:

[(1, 19668055), (5, 3933611), (11, 1788005), (55, 357601), (541, 36355), (661, 29755), (2705, 7271), (3305, 5951)]