19692189

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^3\times {\mathrm{29}}^1$

素因数の和:103

約数の個数: 48

約数和(自身を含む): 33883200

約数和(自身を除く): 14191011

約数列:

[1, 3, 9, 11, 19, 29, 33, 57, 87, 99, 171, 209, 261, 319, 361, 551, 627, 957, 1083, 1653, 1881, 2871, 3249, 3971, 4959, 6061, 6859, 10469, 11913, 18183, 20577, 31407, 35739, 54549, 61731, 75449, 94221, 115159, 198911, 226347, 345477, 596733, 679041, 1036431, 1790199, 2188021, 6564063, 19692189]

約数ペア:

[(1, 19692189), (3, 6564063), (9, 2188021), (11, 1790199), (19, 1036431), (29, 679041), (33, 596733), (57, 345477), (87, 226347), (99, 198911), (171, 115159), (209, 94221), (261, 75449), (319, 61731), (361, 54549), (551, 35739), (627, 31407), (957, 20577), (1083, 18183), (1653, 11913), (1881, 10469), (2871, 6859), (3249, 6061), (3971, 4959)]