19605663

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1489}}^1$

素因数の和:1532

約数の個数: 48

約数和(自身を含む): 37190400

約数和(自身を除く): 17584737

約数列:

[1, 3, 7, 9, 11, 19, 21, 33, 57, 63, 77, 99, 133, 171, 209, 231, 399, 627, 693, 1197, 1463, 1489, 1881, 4389, 4467, 10423, 13167, 13401, 16379, 28291, 31269, 49137, 84873, 93807, 114653, 147411, 198037, 254619, 311201, 343959, 594111, 933603, 1031877, 1782333, 2178407, 2800809, 6535221, 19605663]

約数ペア:

[(1, 19605663), (3, 6535221), (7, 2800809), (9, 2178407), (11, 1782333), (19, 1031877), (21, 933603), (33, 594111), (57, 343959), (63, 311201), (77, 254619), (99, 198037), (133, 147411), (171, 114653), (209, 93807), (231, 84873), (399, 49137), (627, 31269), (693, 28291), (1197, 16379), (1463, 13401), (1489, 13167), (1881, 10423), (4389, 4467)]