19556073

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{131}}^1$

素因数の和:259

約数の個数: 40

約数和(自身を含む): 31305120

約数和(自身を除く): 11749047

約数列:

[1, 3, 9, 19, 27, 57, 81, 97, 131, 171, 291, 393, 513, 873, 1179, 1539, 1843, 2489, 2619, 3537, 5529, 7467, 7857, 10611, 12707, 16587, 22401, 38121, 49761, 67203, 114363, 149283, 201609, 241433, 343089, 724299, 1029267, 2172897, 6518691, 19556073]

約数ペア:

[(1, 19556073), (3, 6518691), (9, 2172897), (19, 1029267), (27, 724299), (57, 343089), (81, 241433), (97, 201609), (131, 149283), (171, 114363), (291, 67203), (393, 49761), (513, 38121), (873, 22401), (1179, 16587), (1539, 12707), (1843, 10611), (2489, 7857), (2619, 7467), (3537, 5529)]