18825860

素因数分解:

$2^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{5441}}^1$

素因数の和:5623

約数の個数: 24

約数和(自身を含む): 39770136

約数和(自身を除く): 20944276

約数列:

[1, 2, 4, 5, 10, 20, 173, 346, 692, 865, 1730, 3460, 5441, 10882, 21764, 27205, 54410, 108820, 941293, 1882586, 3765172, 4706465, 9412930, 18825860]

約数ペア:

[(1, 18825860), (2, 9412930), (4, 4706465), (5, 3765172), (10, 1882586), (20, 941293), (173, 108820), (346, 54410), (692, 27205), (865, 21764), (1730, 10882), (3460, 5441)]