19655874

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{257}}^1\times {\mathrm{607}}^1$

素因数の和:879

約数の個数: 48

約数和(自身を含む): 48941568

約数和(自身を除く): 29285694

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 257, 514, 607, 771, 1214, 1542, 1799, 1821, 2313, 3598, 3642, 4249, 4626, 5397, 5463, 8498, 10794, 10926, 12747, 16191, 25494, 32382, 38241, 76482, 155999, 311998, 467997, 935994, 1091993, 1403991, 2183986, 2807982, 3275979, 6551958, 9827937, 19655874]

約数ペア:

[(1, 19655874), (2, 9827937), (3, 6551958), (6, 3275979), (7, 2807982), (9, 2183986), (14, 1403991), (18, 1091993), (21, 935994), (42, 467997), (63, 311998), (126, 155999), (257, 76482), (514, 38241), (607, 32382), (771, 25494), (1214, 16191), (1542, 12747), (1799, 10926), (1821, 10794), (2313, 8498), (3598, 5463), (3642, 5397), (4249, 4626)]