18320816

素因数分解:

$2^4\times {\mathrm{103}}^1\times {\mathrm{11117}}^1$

素因数の和:11228

約数の個数: 20

約数和(自身を含む): 35844432

約数和(自身を除く): 17523616

約数列:

[1, 2, 4, 8, 16, 103, 206, 412, 824, 1648, 11117, 22234, 44468, 88936, 177872, 1145051, 2290102, 4580204, 9160408, 18320816]

約数ペア:

[(1, 18320816), (2, 9160408), (4, 4580204), (8, 2290102), (16, 1145051), (103, 177872), (206, 88936), (412, 44468), (824, 22234), (1648, 11117)]