18693158

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{36943}}^1$

素因数の和:36979

約数の個数: 16

約数和(自身を含む): 31919616

約数和(自身を除く): 13226458

約数列:

[1, 2, 11, 22, 23, 46, 253, 506, 36943, 73886, 406373, 812746, 849689, 1699378, 9346579, 18693158]

約数ペア:

[(1, 18693158), (2, 9346579), (11, 1699378), (22, 849689), (23, 812746), (46, 406373), (253, 73886), (506, 36943)]