18748538

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{2131}}^1$

素因数の和:2269

約数の個数: 16

約数和(自身を含む): 29012256

約数和(自身を除く): 10263718

約数列:

[1, 2, 53, 83, 106, 166, 2131, 4262, 4399, 8798, 112943, 176873, 225886, 353746, 9374269, 18748538]

約数ペア:

[(1, 18748538), (2, 9374269), (53, 353746), (83, 225886), (106, 176873), (166, 112943), (2131, 8798), (4262, 4399)]