15640686

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^2\times {\mathrm{29}}^1\times {\mathrm{83}}^1$

素因数の和:158

約数の個数: 72

約数和(自身を含む): 37444680

約数和(自身を除く): 21803994

約数列:

[1, 2, 3, 6, 9, 18, 19, 29, 38, 57, 58, 83, 87, 114, 166, 171, 174, 249, 261, 342, 361, 498, 522, 551, 722, 747, 1083, 1102, 1494, 1577, 1653, 2166, 2407, 3154, 3249, 3306, 4731, 4814, 4959, 6498, 7221, 9462, 9918, 10469, 14193, 14442, 20938, 21663, 28386, 29963, 31407, 43326, 45733, 59926, 62814, 89889, 91466, 94221, 137199, 179778, 188442, 269667, 274398, 411597, 539334, 823194, 868927, 1737854, 2606781, 5213562, 7820343, 15640686]

約数ペア:

[(1, 15640686), (2, 7820343), (3, 5213562), (6, 2606781), (9, 1737854), (18, 868927), (19, 823194), (29, 539334), (38, 411597), (57, 274398), (58, 269667), (83, 188442), (87, 179778), (114, 137199), (166, 94221), (171, 91466), (174, 89889), (249, 62814), (261, 59926), (342, 45733), (361, 43326), (498, 31407), (522, 29963), (551, 28386), (722, 21663), (747, 20938), (1083, 14442), (1102, 14193), (1494, 10469), (1577, 9918), (1653, 9462), (2166, 7221), (2407, 6498), (3154, 4959), (3249, 4814), (3306, 4731)]