19514792

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{2153}}^1$

素因数の和:2273

約数の個数: 32

約数和(自身を含む): 40322880

約数和(自身を除く): 20808088

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 103, 206, 412, 824, 1133, 2153, 2266, 4306, 4532, 8612, 9064, 17224, 23683, 47366, 94732, 189464, 221759, 443518, 887036, 1774072, 2439349, 4878698, 9757396, 19514792]

約数ペア:

[(1, 19514792), (2, 9757396), (4, 4878698), (8, 2439349), (11, 1774072), (22, 887036), (44, 443518), (88, 221759), (103, 189464), (206, 94732), (412, 47366), (824, 23683), (1133, 17224), (2153, 9064), (2266, 8612), (4306, 4532)]