1999984878

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{271}}^1\times {\mathrm{7193}}^1$

素因数の和:7494

約数の個数: 64

約数和(自身を含む): 4696243200

約数和(自身を除く): 2696258322

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 114, 171, 271, 342, 513, 542, 813, 1026, 1626, 2439, 4878, 5149, 7193, 7317, 10298, 14386, 14634, 15447, 21579, 30894, 43158, 46341, 64737, 92682, 129474, 136667, 139023, 194211, 273334, 278046, 388422, 410001, 820002, 1230003, 1949303, 2460006, 3690009, 3898606, 5847909, 7380018, 11695818, 17543727, 35087454, 37036757, 52631181, 74073514, 105262362, 111110271, 222220542, 333330813, 666661626, 999992439, 1999984878]

約数ペア:

[(1, 1999984878), (2, 999992439), (3, 666661626), (6, 333330813), (9, 222220542), (18, 111110271), (19, 105262362), (27, 74073514), (38, 52631181), (54, 37036757), (57, 35087454), (114, 17543727), (171, 11695818), (271, 7380018), (342, 5847909), (513, 3898606), (542, 3690009), (813, 2460006), (1026, 1949303), (1626, 1230003), (2439, 820002), (4878, 410001), (5149, 388422), (7193, 278046), (7317, 273334), (10298, 194211), (14386, 139023), (14634, 136667), (15447, 129474), (21579, 92682), (30894, 64737), (43158, 46341)]