19268740

素因数分解:

$2^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{5569}}^1$

素因数の和:5751

約数の個数: 24

約数和(自身を含む): 40705560

約数和(自身を除く): 21436820

約数列:

[1, 2, 4, 5, 10, 20, 173, 346, 692, 865, 1730, 3460, 5569, 11138, 22276, 27845, 55690, 111380, 963437, 1926874, 3853748, 4817185, 9634370, 19268740]

約数ペア:

[(1, 19268740), (2, 9634370), (4, 4817185), (5, 3853748), (10, 1926874), (20, 963437), (173, 111380), (346, 55690), (692, 27845), (865, 22276), (1730, 11138), (3460, 5569)]