19321617

素因数分解:

$3^1\times 7^1\times {\mathrm{653}}^1\times {\mathrm{1409}}^1$

素因数の和:2072

約数の個数: 16

約数和(自身を含む): 29508480

約数和(自身を除く): 10186863

約数列:

[1, 3, 7, 21, 653, 1409, 1959, 4227, 4571, 9863, 13713, 29589, 920077, 2760231, 6440539, 19321617]

約数ペア:

[(1, 19321617), (3, 6440539), (7, 2760231), (21, 920077), (653, 29589), (1409, 13713), (1959, 9863), (4227, 4571)]