18869818

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{241}}^1\times {\mathrm{3559}}^1$

素因数の和:3813

約数の個数: 16

約数和(自身を含む): 31014720

約数和(自身を除く): 12144902

約数列:

[1, 2, 11, 22, 241, 482, 2651, 3559, 5302, 7118, 39149, 78298, 857719, 1715438, 9434909, 18869818]

約数ペア:

[(1, 18869818), (2, 9434909), (11, 1715438), (22, 857719), (241, 78298), (482, 39149), (2651, 7118), (3559, 5302)]