18776079

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{239}}^1$

素因数の和:324

約数の個数: 48

約数和(自身を含む): 32947200

約数和(自身を除く): 14171121

約数列:

[1, 3, 7, 9, 21, 29, 43, 63, 87, 129, 203, 239, 261, 301, 387, 609, 717, 903, 1247, 1673, 1827, 2151, 2709, 3741, 5019, 6931, 8729, 10277, 11223, 15057, 20793, 26187, 30831, 48517, 62379, 71939, 78561, 92493, 145551, 215817, 298033, 436653, 647451, 894099, 2086231, 2682297, 6258693, 18776079]

約数ペア:

[(1, 18776079), (3, 6258693), (7, 2682297), (9, 2086231), (21, 894099), (29, 647451), (43, 436653), (63, 298033), (87, 215817), (129, 145551), (203, 92493), (239, 78561), (261, 71939), (301, 62379), (387, 48517), (609, 30831), (717, 26187), (903, 20793), (1247, 15057), (1673, 11223), (1827, 10277), (2151, 8729), (2709, 6931), (3741, 5019)]