18407642

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{15787}}^1$

素因数の和:15853

約数の個数: 16

約数和(自身を含む): 30691872

約数和(自身を除く): 12284230

約数列:

[1, 2, 11, 22, 53, 106, 583, 1166, 15787, 31574, 173657, 347314, 836711, 1673422, 9203821, 18407642]

約数ペア:

[(1, 18407642), (2, 9203821), (11, 1673422), (22, 836711), (53, 347314), (106, 173657), (583, 31574), (1166, 15787)]