19121.0000000

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{419}}^1$

素因数の和:527

約数の個数: 24

約数和(自身を含む): 12121200

約数和(自身を除く): 4137993

約数列:

[1, 3, 9, 29, 73, 87, 219, 261, 419, 657, 1257, 2117, 3771, 6351, 12151, 19053, 30587, 36453, 91761, 109359, 275283, 887023, 2661069, 7983207]

約数ペア:

[(1, 7983207), (3, 2661069), (9, 887023), (29, 275283), (73, 109359), (87, 91761), (219, 36453), (261, 30587), (419, 19053), (657, 12151), (1257, 6351), (2117, 3771)]