19803291

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{2111}}^1$

素因数の和:2226

約数の個数: 16

約数和(自身を含む): 27371520

約数和(自身を除く): 7568229

約数列:

[1, 3, 53, 59, 159, 177, 2111, 3127, 6333, 9381, 111883, 124549, 335649, 373647, 6601097, 19803291]

約数ペア:

[(1, 19803291), (3, 6601097), (53, 373647), (59, 335649), (159, 124549), (177, 111883), (2111, 9381), (3127, 6333)]