19557213

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{26393}}^1$

素因数の和:26428

約数の個数: 16

約数和(自身を含む): 29561280

約数和(自身を除く): 10004067

約数列:

[1, 3, 13, 19, 39, 57, 247, 741, 26393, 79179, 343109, 501467, 1029327, 1504401, 6519071, 19557213]

約数ペア:

[(1, 19557213), (3, 6519071), (13, 1504401), (19, 1029327), (39, 501467), (57, 343109), (247, 79179), (741, 26393)]