19106668

素因数分解:

$2^2\times 7^2\times {\mathrm{71}}^1\times {\mathrm{1373}}^1$

素因数の和:1462

約数の個数: 36

約数和(自身を含む): 39472272

約数和(自身を除く): 20365604

約数列:

[1, 2, 4, 7, 14, 28, 49, 71, 98, 142, 196, 284, 497, 994, 1373, 1988, 2746, 3479, 5492, 6958, 9611, 13916, 19222, 38444, 67277, 97483, 134554, 194966, 269108, 389932, 682381, 1364762, 2729524, 4776667, 9553334, 19106668]

約数ペア:

[(1, 19106668), (2, 9553334), (4, 4776667), (7, 2729524), (14, 1364762), (28, 682381), (49, 389932), (71, 269108), (98, 194966), (142, 134554), (196, 97483), (284, 67277), (497, 38444), (994, 19222), (1373, 13916), (1988, 9611), (2746, 6958), (3479, 5492)]