19834389

素因数分解:

$3^5\times {\mathrm{31}}^1\times {\mathrm{2633}}^1$

素因数の和:2679

約数の個数: 24

約数和(自身を含む): 30680832

約数和(自身を除く): 10846443

約数列:

[1, 3, 9, 27, 31, 81, 93, 243, 279, 837, 2511, 2633, 7533, 7899, 23697, 71091, 81623, 213273, 244869, 639819, 734607, 2203821, 6611463, 19834389]

約数ペア:

[(1, 19834389), (3, 6611463), (9, 2203821), (27, 734607), (31, 639819), (81, 244869), (93, 213273), (243, 81623), (279, 71091), (837, 23697), (2511, 7899), (2633, 7533)]