19892760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{1709}}^1$

素因数の和:1820

約数の個数: 64

約数和(自身を含む): 60328800

約数和(自身を除く): 40436040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 97, 120, 194, 291, 388, 485, 582, 776, 970, 1164, 1455, 1709, 1940, 2328, 2910, 3418, 3880, 5127, 5820, 6836, 8545, 10254, 11640, 13672, 17090, 20508, 25635, 34180, 41016, 51270, 68360, 102540, 165773, 205080, 331546, 497319, 663092, 828865, 994638, 1326184, 1657730, 1989276, 2486595, 3315460, 3978552, 4973190, 6630920, 9946380, 19892760]

約数ペア:

[(1, 19892760), (2, 9946380), (3, 6630920), (4, 4973190), (5, 3978552), (6, 3315460), (8, 2486595), (10, 1989276), (12, 1657730), (15, 1326184), (20, 994638), (24, 828865), (30, 663092), (40, 497319), (60, 331546), (97, 205080), (120, 165773), (194, 102540), (291, 68360), (388, 51270), (485, 41016), (582, 34180), (776, 25635), (970, 20508), (1164, 17090), (1455, 13672), (1709, 11640), (1940, 10254), (2328, 8545), (2910, 6836), (3418, 5820), (3880, 5127)]