19972166

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{151}}^1\times {\mathrm{1613}}^1$

素因数の和:1807

約数の個数: 16

約数和(自身を含む): 30911328

約数和(自身を除く): 10939162

約数列:

[1, 2, 41, 82, 151, 302, 1613, 3226, 6191, 12382, 66133, 132266, 243563, 487126, 9986083, 19972166]

約数ペア:

[(1, 19972166), (2, 9986083), (41, 487126), (82, 243563), (151, 132266), (302, 66133), (1613, 12382), (3226, 6191)]