18549160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2137}}^1$

素因数の和:2186

約数の個数: 64

約数和(自身を含む): 49259520

約数和(自身を除く): 30710360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 868, 1085, 1240, 1736, 2137, 2170, 4274, 4340, 8548, 8680, 10685, 14959, 17096, 21370, 29918, 42740, 59836, 66247, 74795, 85480, 119672, 132494, 149590, 264988, 299180, 331235, 463729, 529976, 598360, 662470, 927458, 1324940, 1854916, 2318645, 2649880, 3709832, 4637290, 9274580, 18549160]

約数ペア:

[(1, 18549160), (2, 9274580), (4, 4637290), (5, 3709832), (7, 2649880), (8, 2318645), (10, 1854916), (14, 1324940), (20, 927458), (28, 662470), (31, 598360), (35, 529976), (40, 463729), (56, 331235), (62, 299180), (70, 264988), (124, 149590), (140, 132494), (155, 119672), (217, 85480), (248, 74795), (280, 66247), (310, 59836), (434, 42740), (620, 29918), (868, 21370), (1085, 17096), (1240, 14959), (1736, 10685), (2137, 8680), (2170, 8548), (4274, 4340)]