19377080

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{5443}}^1$

素因数の和:5543

約数の個数: 32

約数和(自身を含む): 44096400

約数和(自身を除く): 24719320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 5443, 10886, 21772, 27215, 43544, 54430, 108860, 217720, 484427, 968854, 1937708, 2422135, 3875416, 4844270, 9688540, 19377080]

約数ペア:

[(1, 19377080), (2, 9688540), (4, 4844270), (5, 3875416), (8, 2422135), (10, 1937708), (20, 968854), (40, 484427), (89, 217720), (178, 108860), (356, 54430), (445, 43544), (712, 27215), (890, 21772), (1780, 10886), (3560, 5443)]