19959291

素因数分解:

$3^6\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1$

素因数の和:179

約数の個数: 56

約数和(自身を含む): 34626240

約数和(自身を除く): 14666949

約数列:

[1, 3, 9, 11, 19, 27, 33, 57, 81, 99, 131, 171, 209, 243, 297, 393, 513, 627, 729, 891, 1179, 1441, 1539, 1881, 2489, 2673, 3537, 4323, 4617, 5643, 7467, 8019, 10611, 12969, 13851, 16929, 22401, 27379, 31833, 38907, 50787, 67203, 82137, 95499, 116721, 152361, 201609, 246411, 350163, 604827, 739233, 1050489, 1814481, 2217699, 6653097, 19959291]

約数ペア:

[(1, 19959291), (3, 6653097), (9, 2217699), (11, 1814481), (19, 1050489), (27, 739233), (33, 604827), (57, 350163), (81, 246411), (99, 201609), (131, 152361), (171, 116721), (209, 95499), (243, 82137), (297, 67203), (393, 50787), (513, 38907), (627, 31833), (729, 27379), (891, 22401), (1179, 16929), (1441, 13851), (1539, 12969), (1881, 10611), (2489, 8019), (2673, 7467), (3537, 5643), (4323, 4617)]