19904562

素因数分解:

$2^1\times 3^3\times {\mathrm{83}}^1\times {\mathrm{4441}}^1$

素因数の和:4535

約数の個数: 32

約数和(自身を含む): 44775360

約数和(自身を除く): 24870798

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 83, 166, 249, 498, 747, 1494, 2241, 4441, 4482, 8882, 13323, 26646, 39969, 79938, 119907, 239814, 368603, 737206, 1105809, 2211618, 3317427, 6634854, 9952281, 19904562]

約数ペア:

[(1, 19904562), (2, 9952281), (3, 6634854), (6, 3317427), (9, 2211618), (18, 1105809), (27, 737206), (54, 368603), (83, 239814), (166, 119907), (249, 79938), (498, 39969), (747, 26646), (1494, 13323), (2241, 8882), (4441, 4482)]