18373220

素因数分解:

$2^2\times 5^1\times {\mathrm{491}}^1\times {\mathrm{1871}}^1$

素因数の和:2371

約数の個数: 24

約数和(自身を含む): 38683008

約数和(自身を除く): 20309788

約数列:

[1, 2, 4, 5, 10, 20, 491, 982, 1871, 1964, 2455, 3742, 4910, 7484, 9355, 9820, 18710, 37420, 918661, 1837322, 3674644, 4593305, 9186610, 18373220]

約数ペア:

[(1, 18373220), (2, 9186610), (4, 4593305), (5, 3674644), (10, 1837322), (20, 918661), (491, 37420), (982, 18710), (1871, 9820), (1964, 9355), (2455, 7484), (3742, 4910)]