18241083

素因数分解:

$3^2\times 7^3\times {\mathrm{19}}^1\times {\mathrm{311}}^1$

素因数の和:357

約数の個数: 48

約数和(自身を含む): 32448000

約数和(自身を除く): 14206917

約数列:

[1, 3, 7, 9, 19, 21, 49, 57, 63, 133, 147, 171, 311, 343, 399, 441, 931, 933, 1029, 1197, 2177, 2793, 2799, 3087, 5909, 6517, 6531, 8379, 15239, 17727, 19551, 19593, 41363, 45717, 53181, 58653, 106673, 124089, 137151, 289541, 320019, 372267, 868623, 960057, 2026787, 2605869, 6080361, 18241083]

約数ペア:

[(1, 18241083), (3, 6080361), (7, 2605869), (9, 2026787), (19, 960057), (21, 868623), (49, 372267), (57, 320019), (63, 289541), (133, 137151), (147, 124089), (171, 106673), (311, 58653), (343, 53181), (399, 45717), (441, 41363), (931, 19593), (933, 19551), (1029, 17727), (1197, 15239), (2177, 8379), (2793, 6531), (2799, 6517), (3087, 5909)]