19913487

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{491}}^1\times {\mathrm{1229}}^1$

素因数の和:1734

約数の個数: 16

約数和(自身を含む): 29047680

約数和(自身を除く): 9134193

約数列:

[1, 3, 11, 33, 491, 1229, 1473, 3687, 5401, 13519, 16203, 40557, 603439, 1810317, 6637829, 19913487]

約数ペア:

[(1, 19913487), (3, 6637829), (11, 1810317), (33, 603439), (491, 40557), (1229, 16203), (1473, 13519), (3687, 5401)]