19886692

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1289}}^1$

素因数の和:1348

約数の個数: 48

約数和(自身を含む): 43344000

約数和(自身を除く): 23457308

約数列:

[1, 2, 4, 7, 14, 19, 28, 29, 38, 58, 76, 116, 133, 203, 266, 406, 532, 551, 812, 1102, 1289, 2204, 2578, 3857, 5156, 7714, 9023, 15428, 18046, 24491, 36092, 37381, 48982, 74762, 97964, 149524, 171437, 261667, 342874, 523334, 685748, 710239, 1046668, 1420478, 2840956, 4971673, 9943346, 19886692]

約数ペア:

[(1, 19886692), (2, 9943346), (4, 4971673), (7, 2840956), (14, 1420478), (19, 1046668), (28, 710239), (29, 685748), (38, 523334), (58, 342874), (76, 261667), (116, 171437), (133, 149524), (203, 97964), (266, 74762), (406, 48982), (532, 37381), (551, 36092), (812, 24491), (1102, 18046), (1289, 15428), (2204, 9023), (2578, 7714), (3857, 5156)]