2019921849

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{443}}^1$

素因数の和:603

約数の個数: 72

約数和(自身を含む): 3316360320

約数和(自身を除く): 1296438471

約数列:

[1, 3, 9, 11, 33, 53, 79, 99, 121, 159, 237, 363, 443, 477, 583, 711, 869, 1089, 1329, 1749, 2607, 3987, 4187, 4873, 5247, 6413, 7821, 9559, 12561, 14619, 19239, 23479, 28677, 34997, 37683, 43857, 46057, 53603, 57717, 70437, 86031, 104991, 138171, 160809, 211311, 258269, 314973, 384967, 414513, 482427, 506627, 774807, 1154901, 1519881, 1854841, 2324421, 2840959, 3464703, 4234637, 4559643, 5564523, 8522877, 12703911, 16693569, 20403251, 25568631, 38111733, 61209753, 183629259, 224435761, 673307283, 2019921849]

約数ペア:

[(1, 2019921849), (3, 673307283), (9, 224435761), (11, 183629259), (33, 61209753), (53, 38111733), (79, 25568631), (99, 20403251), (121, 16693569), (159, 12703911), (237, 8522877), (363, 5564523), (443, 4559643), (477, 4234637), (583, 3464703), (711, 2840959), (869, 2324421), (1089, 1854841), (1329, 1519881), (1749, 1154901), (2607, 774807), (3987, 506627), (4187, 482427), (4873, 414513), (5247, 384967), (6413, 314973), (7821, 258269), (9559, 211311), (12561, 160809), (14619, 138171), (19239, 104991), (23479, 86031), (28677, 70437), (34997, 57717), (37683, 53603), (43857, 46057)]