19618474

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{2903}}^1$

素因数の和:3045

約数の個数: 16

約数和(自身を含む): 30666240

約数和(自身を除く): 11047766

約数列:

[1, 2, 31, 62, 109, 218, 2903, 3379, 5806, 6758, 89993, 179986, 316427, 632854, 9809237, 19618474]

約数ペア:

[(1, 19618474), (2, 9809237), (31, 632854), (62, 316427), (109, 179986), (218, 89993), (2903, 6758), (3379, 5806)]