18899312

素因数分解:

$2^4\times {\mathrm{661}}^1\times {\mathrm{1787}}^1$

素因数の和:2456

約数の個数: 20

約数和(自身を含む): 36693336

約数和(自身を除く): 17794024

約数列:

[1, 2, 4, 8, 16, 661, 1322, 1787, 2644, 3574, 5288, 7148, 10576, 14296, 28592, 1181207, 2362414, 4724828, 9449656, 18899312]

約数ペア:

[(1, 18899312), (2, 9449656), (4, 4724828), (8, 2362414), (16, 1181207), (661, 28592), (1322, 14296), (1787, 10576), (2644, 7148), (3574, 5288)]