13747640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{18089}}^1$

素因数の和:18119

約数の個数: 32

約数和(自身を含む): 32562000

約数和(自身を除く): 18814360

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 18089, 36178, 72356, 90445, 144712, 180890, 343691, 361780, 687382, 723560, 1374764, 1718455, 2749528, 3436910, 6873820, 13747640]

約数ペア:

[(1, 13747640), (2, 6873820), (4, 3436910), (5, 2749528), (8, 1718455), (10, 1374764), (19, 723560), (20, 687382), (38, 361780), (40, 343691), (76, 180890), (95, 144712), (152, 90445), (190, 72356), (380, 36178), (760, 18089)]