18989949

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{977}}^1$

素因数の和:1041

約数の個数: 32

約数和(自身を含む): 30044160

約数和(自身を除く): 11054211

約数列:

[1, 3, 11, 19, 31, 33, 57, 93, 209, 341, 589, 627, 977, 1023, 1767, 2931, 6479, 10747, 18563, 19437, 30287, 32241, 55689, 90861, 204193, 333157, 575453, 612579, 999471, 1726359, 6329983, 18989949]

約数ペア:

[(1, 18989949), (3, 6329983), (11, 1726359), (19, 999471), (31, 612579), (33, 575453), (57, 333157), (93, 204193), (209, 90861), (341, 55689), (589, 32241), (627, 30287), (977, 19437), (1023, 18563), (1767, 10747), (2931, 6479)]