19838277

素因数分解:

$3^7\times {\mathrm{47}}^1\times {\mathrm{193}}^1$

素因数の和:261

約数の個数: 32

約数和(自身を含む): 30543360

約数和(自身を除く): 10705083

約数列:

[1, 3, 9, 27, 47, 81, 141, 193, 243, 423, 579, 729, 1269, 1737, 2187, 3807, 5211, 9071, 11421, 15633, 27213, 34263, 46899, 81639, 102789, 140697, 244917, 422091, 734751, 2204253, 6612759, 19838277]

約数ペア:

[(1, 19838277), (3, 6612759), (9, 2204253), (27, 734751), (47, 422091), (81, 244917), (141, 140697), (193, 102789), (243, 81639), (423, 46899), (579, 34263), (729, 27213), (1269, 15633), (1737, 11421), (2187, 9071), (3807, 5211)]