18383211

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{647}}^1$

素因数の和:712

約数の個数: 48

約数和(自身を含む): 33965568

約数和(自身を除く): 15582357

約数列:

[1, 3, 7, 9, 11, 21, 33, 41, 63, 77, 99, 123, 231, 287, 369, 451, 647, 693, 861, 1353, 1941, 2583, 3157, 4059, 4529, 5823, 7117, 9471, 13587, 21351, 26527, 28413, 40761, 49819, 64053, 79581, 149457, 185689, 238743, 291797, 448371, 557067, 875391, 1671201, 2042579, 2626173, 6127737, 18383211]

約数ペア:

[(1, 18383211), (3, 6127737), (7, 2626173), (9, 2042579), (11, 1671201), (21, 875391), (33, 557067), (41, 448371), (63, 291797), (77, 238743), (99, 185689), (123, 149457), (231, 79581), (287, 64053), (369, 49819), (451, 40761), (647, 28413), (693, 26527), (861, 21351), (1353, 13587), (1941, 9471), (2583, 7117), (3157, 5823), (4059, 4529)]