18672554

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{487}}^1\times {\mathrm{1009}}^1$

素因数の和:1517

約数の個数: 16

約数和(自身を含む): 29572800

約数和(自身を除く): 10900246

約数列:

[1, 2, 19, 38, 487, 974, 1009, 2018, 9253, 18506, 19171, 38342, 491383, 982766, 9336277, 18672554]

約数ペア:

[(1, 18672554), (2, 9336277), (19, 982766), (38, 491383), (487, 38342), (974, 19171), (1009, 18506), (2018, 9253)]