18741160

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{6599}}^1$

素因数の和:6681

約数の個数: 32

約数和(自身を含む): 42768000

約数和(自身を除く): 24026840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 6599, 13198, 26396, 32995, 52792, 65990, 131980, 263960, 468529, 937058, 1874116, 2342645, 3748232, 4685290, 9370580, 18741160]

約数ペア:

[(1, 18741160), (2, 9370580), (4, 4685290), (5, 3748232), (8, 2342645), (10, 1874116), (20, 937058), (40, 468529), (71, 263960), (142, 131980), (284, 65990), (355, 52792), (568, 32995), (710, 26396), (1420, 13198), (2840, 6599)]