19800984

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{2741}}^1$

素因数の和:2800

約数の個数: 64

約数和(自身を含む): 57911040

約数和(自身を除く): 38110056

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 43, 56, 84, 86, 129, 168, 172, 258, 301, 344, 516, 602, 903, 1032, 1204, 1806, 2408, 2741, 3612, 5482, 7224, 8223, 10964, 16446, 19187, 21928, 32892, 38374, 57561, 65784, 76748, 115122, 117863, 153496, 230244, 235726, 353589, 460488, 471452, 707178, 825041, 942904, 1414356, 1650082, 2475123, 2828712, 3300164, 4950246, 6600328, 9900492, 19800984]

約数ペア:

[(1, 19800984), (2, 9900492), (3, 6600328), (4, 4950246), (6, 3300164), (7, 2828712), (8, 2475123), (12, 1650082), (14, 1414356), (21, 942904), (24, 825041), (28, 707178), (42, 471452), (43, 460488), (56, 353589), (84, 235726), (86, 230244), (129, 153496), (168, 117863), (172, 115122), (258, 76748), (301, 65784), (344, 57561), (516, 38374), (602, 32892), (903, 21928), (1032, 19187), (1204, 16446), (1806, 10964), (2408, 8223), (2741, 7224), (3612, 5482)]