18704336

素因数分解:

$2^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1$

素因数の和:228

約数の個数: 80

約数和(自身を含む): 44354304

約数和(自身を除く): 25649968

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 46, 53, 56, 92, 106, 112, 137, 161, 184, 212, 274, 322, 368, 371, 424, 548, 644, 742, 848, 959, 1096, 1219, 1288, 1484, 1918, 2192, 2438, 2576, 2968, 3151, 3836, 4876, 5936, 6302, 7261, 7672, 8533, 9752, 12604, 14522, 15344, 17066, 19504, 22057, 25208, 29044, 34132, 44114, 50416, 50827, 58088, 68264, 88228, 101654, 116176, 136528, 167003, 176456, 203308, 334006, 352912, 406616, 668012, 813232, 1169021, 1336024, 2338042, 2672048, 4676084, 9352168, 18704336]

約数ペア:

[(1, 18704336), (2, 9352168), (4, 4676084), (7, 2672048), (8, 2338042), (14, 1336024), (16, 1169021), (23, 813232), (28, 668012), (46, 406616), (53, 352912), (56, 334006), (92, 203308), (106, 176456), (112, 167003), (137, 136528), (161, 116176), (184, 101654), (212, 88228), (274, 68264), (322, 58088), (368, 50827), (371, 50416), (424, 44114), (548, 34132), (644, 29044), (742, 25208), (848, 22057), (959, 19504), (1096, 17066), (1219, 15344), (1288, 14522), (1484, 12604), (1918, 9752), (2192, 8533), (2438, 7672), (2576, 7261), (2968, 6302), (3151, 5936), (3836, 4876)]