28053918

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{739}}^1$

素因数の和:806

約数の個数: 64

約数和(自身を含む): 67488000

約数和(自身を除く): 39434082

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 37, 38, 54, 57, 74, 111, 114, 171, 222, 333, 342, 513, 666, 703, 739, 999, 1026, 1406, 1478, 1998, 2109, 2217, 4218, 4434, 6327, 6651, 12654, 13302, 14041, 18981, 19953, 27343, 28082, 37962, 39906, 42123, 54686, 82029, 84246, 126369, 164058, 246087, 252738, 379107, 492174, 519517, 738261, 758214, 1039034, 1476522, 1558551, 3117102, 4675653, 9351306, 14026959, 28053918]

約数ペア:

[(1, 28053918), (2, 14026959), (3, 9351306), (6, 4675653), (9, 3117102), (18, 1558551), (19, 1476522), (27, 1039034), (37, 758214), (38, 738261), (54, 519517), (57, 492174), (74, 379107), (111, 252738), (114, 246087), (171, 164058), (222, 126369), (333, 84246), (342, 82029), (513, 54686), (666, 42123), (703, 39906), (739, 37962), (999, 28082), (1026, 27343), (1406, 19953), (1478, 18981), (1998, 14041), (2109, 13302), (2217, 12654), (4218, 6651), (4434, 6327)]