18557836

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{491}}^1\times {\mathrm{859}}^1$

素因数の和:1365

約数の個数: 24

約数和(自身を含む): 35542080

約数和(自身を除く): 16984244

約数列:

[1, 2, 4, 11, 22, 44, 491, 859, 982, 1718, 1964, 3436, 5401, 9449, 10802, 18898, 21604, 37796, 421769, 843538, 1687076, 4639459, 9278918, 18557836]

約数ペア:

[(1, 18557836), (2, 9278918), (4, 4639459), (11, 1687076), (22, 843538), (44, 421769), (491, 37796), (859, 21604), (982, 18898), (1718, 10802), (1964, 9449), (3436, 5401)]