19505239490

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{177320359}}^1$

素因数の和:177320377

約数の個数: 16

約数和(自身を含む): 38301197760

約数和(自身を除く): 18795958270

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 177320359, 354640718, 886601795, 1773203590, 1950523949, 3901047898, 9752619745, 19505239490]

約数ペア:

[(1, 19505239490), (2, 9752619745), (5, 3901047898), (10, 1950523949), (11, 1773203590), (22, 886601795), (55, 354640718), (110, 177320359)]