19933353

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1$

素因数の和:230

約数の個数: 48

約数和(自身を含む): 33359040

約数和(自身を除く): 13425687

約数列:

[1, 3, 9, 11, 29, 33, 53, 87, 99, 131, 159, 261, 319, 393, 477, 583, 957, 1179, 1441, 1537, 1749, 2871, 3799, 4323, 4611, 5247, 6943, 11397, 12969, 13833, 16907, 20829, 34191, 41789, 50721, 62487, 76373, 125367, 152163, 201347, 229119, 376101, 604041, 687357, 1812123, 2214817, 6644451, 19933353]

約数ペア:

[(1, 19933353), (3, 6644451), (9, 2214817), (11, 1812123), (29, 687357), (33, 604041), (53, 376101), (87, 229119), (99, 201347), (131, 152163), (159, 125367), (261, 76373), (319, 62487), (393, 50721), (477, 41789), (583, 34191), (957, 20829), (1179, 16907), (1441, 13833), (1537, 12969), (1749, 11397), (2871, 6943), (3799, 5247), (4323, 4611)]