18565515657

素因数分解:

$3^5\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{309317}}^1$

素因数の和:309364

約数の個数: 48

約数和(自身を含む): 31525690560

約数和(自身を除く): 12960174903

約数列:

[1, 3, 9, 13, 19, 27, 39, 57, 81, 117, 171, 243, 247, 351, 513, 741, 1053, 1539, 2223, 3159, 4617, 6669, 20007, 60021, 309317, 927951, 2783853, 4021121, 5877023, 8351559, 12063363, 17631069, 25054677, 36190089, 52893207, 75164031, 76401299, 108570267, 158679621, 229203897, 325710801, 476038863, 687611691, 977132403, 1428116589, 2062835073, 6188505219, 18565515657]

約数ペア:

[(1, 18565515657), (3, 6188505219), (9, 2062835073), (13, 1428116589), (19, 977132403), (27, 687611691), (39, 476038863), (57, 325710801), (81, 229203897), (117, 158679621), (171, 108570267), (243, 76401299), (247, 75164031), (351, 52893207), (513, 36190089), (741, 25054677), (1053, 17631069), (1539, 12063363), (2223, 8351559), (3159, 5877023), (4617, 4021121), (6669, 2783853), (20007, 927951), (60021, 309317)]