19822864

素因数分解:

$2^4\times {\mathrm{281}}^1\times {\mathrm{4409}}^1$

素因数の和:4698

約数の個数: 20

約数和(自身を含む): 38552220

約数和(自身を除く): 18729356

約数列:

[1, 2, 4, 8, 16, 281, 562, 1124, 2248, 4409, 4496, 8818, 17636, 35272, 70544, 1238929, 2477858, 4955716, 9911432, 19822864]

約数ペア:

[(1, 19822864), (2, 9911432), (4, 4955716), (8, 2477858), (16, 1238929), (281, 70544), (562, 35272), (1124, 17636), (2248, 8818), (4409, 4496)]