18305078

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{11719}}^1$

素因数の和:11803

約数の個数: 16

約数和(自身を含む): 30378240

約数和(自身を除く): 12073162

約数列:

[1, 2, 11, 22, 71, 142, 781, 1562, 11719, 23438, 128909, 257818, 832049, 1664098, 9152539, 18305078]

約数ペア:

[(1, 18305078), (2, 9152539), (11, 1664098), (22, 832049), (71, 257818), (142, 128909), (781, 23438), (1562, 11719)]