18078764

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{641}}^2$

素因数の和:1297

約数の個数: 18

約数和(自身を含む): 34567932

約数和(自身を除く): 16489168

約数列:

[1, 2, 4, 11, 22, 44, 641, 1282, 2564, 7051, 14102, 28204, 410881, 821762, 1643524, 4519691, 9039382, 18078764]

約数ペア:

[(1, 18078764), (2, 9039382), (4, 4519691), (11, 1643524), (22, 821762), (44, 410881), (641, 28204), (1282, 14102), (2564, 7051)]