19528377

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{3919}}^1$

素因数の和:4084

約数の個数: 16

約数和(自身を含む): 28600320

約数和(自身を除く): 9071943

約数列:

[1, 3, 11, 33, 151, 453, 1661, 3919, 4983, 11757, 43109, 129327, 591769, 1775307, 6509459, 19528377]

約数ペア:

[(1, 19528377), (3, 6509459), (11, 1775307), (33, 591769), (151, 129327), (453, 43109), (1661, 11757), (3919, 4983)]