18672368

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{8161}}^1$

素因数の和:8193

約数の個数: 40

約数和(自身を含む): 42507696

約数和(自身を除く): 23835328

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 88, 104, 143, 176, 208, 286, 572, 1144, 2288, 8161, 16322, 32644, 65288, 89771, 106093, 130576, 179542, 212186, 359084, 424372, 718168, 848744, 1167023, 1436336, 1697488, 2334046, 4668092, 9336184, 18672368]

約数ペア:

[(1, 18672368), (2, 9336184), (4, 4668092), (8, 2334046), (11, 1697488), (13, 1436336), (16, 1167023), (22, 848744), (26, 718168), (44, 424372), (52, 359084), (88, 212186), (104, 179542), (143, 130576), (176, 106093), (208, 89771), (286, 65288), (572, 32644), (1144, 16322), (2288, 8161)]