19798262

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{3557}}^1$

素因数の和:3604

約数の個数: 24

約数和(自身を含む): 34071408

約数和(自身を除く): 14273146

約数列:

[1, 2, 11, 22, 23, 46, 121, 242, 253, 506, 2783, 3557, 5566, 7114, 39127, 78254, 81811, 163622, 430397, 860794, 899921, 1799842, 9899131, 19798262]

約数ペア:

[(1, 19798262), (2, 9899131), (11, 1799842), (22, 899921), (23, 860794), (46, 430397), (121, 163622), (242, 81811), (253, 78254), (506, 39127), (2783, 7114), (3557, 5566)]