19503099

素因数分解:

$3^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1$

素因数の和:142

約数の個数: 80

約数和(自身を含む): 37635840

約数和(自身を除く): 18132741

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 53, 59, 63, 77, 81, 99, 159, 177, 189, 231, 297, 371, 413, 477, 531, 567, 583, 649, 693, 891, 1113, 1239, 1431, 1593, 1749, 1947, 2079, 3127, 3339, 3717, 4081, 4293, 4543, 4779, 5247, 5841, 6237, 9381, 10017, 11151, 12243, 13629, 15741, 17523, 21889, 28143, 30051, 33453, 34397, 36729, 40887, 47223, 52569, 65667, 84429, 103191, 110187, 122661, 197001, 240779, 253287, 309573, 330561, 367983, 591003, 722337, 928719, 1773009, 2167011, 2786157, 6501033, 19503099]

約数ペア:

[(1, 19503099), (3, 6501033), (7, 2786157), (9, 2167011), (11, 1773009), (21, 928719), (27, 722337), (33, 591003), (53, 367983), (59, 330561), (63, 309573), (77, 253287), (81, 240779), (99, 197001), (159, 122661), (177, 110187), (189, 103191), (231, 84429), (297, 65667), (371, 52569), (413, 47223), (477, 40887), (531, 36729), (567, 34397), (583, 33453), (649, 30051), (693, 28143), (891, 21889), (1113, 17523), (1239, 15741), (1431, 13629), (1593, 12243), (1749, 11151), (1947, 10017), (2079, 9381), (3127, 6237), (3339, 5841), (3717, 5247), (4081, 4779), (4293, 4543)]