19347309

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{691}}^1$

素因数の和:778

約数の個数: 32

約数和(自身を含む): 30890880

約数和(自身を除く): 11543571

約数列:

[1, 3, 9, 17, 27, 51, 61, 153, 183, 459, 549, 691, 1037, 1647, 2073, 3111, 6219, 9333, 11747, 18657, 27999, 35241, 42151, 105723, 126453, 317169, 379359, 716567, 1138077, 2149701, 6449103, 19347309]

約数ペア:

[(1, 19347309), (3, 6449103), (9, 2149701), (17, 1138077), (27, 716567), (51, 379359), (61, 317169), (153, 126453), (183, 105723), (459, 42151), (549, 35241), (691, 27999), (1037, 18657), (1647, 11747), (2073, 9333), (3111, 6219)]