19602891

素因数分解:

$3^4\times 7^2\times {\mathrm{11}}^1\times {\mathrm{449}}^1$

素因数の和:486

約数の個数: 60

約数和(自身を含む): 37243800

約数和(自身を除く): 17640909

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 49, 63, 77, 81, 99, 147, 189, 231, 297, 441, 449, 539, 567, 693, 891, 1323, 1347, 1617, 2079, 3143, 3969, 4041, 4851, 4939, 6237, 9429, 12123, 14553, 14817, 22001, 28287, 34573, 36369, 43659, 44451, 66003, 84861, 103719, 133353, 198009, 242011, 254583, 311157, 400059, 594027, 726033, 933471, 1782081, 2178099, 2800413, 6534297, 19602891]

約数ペア:

[(1, 19602891), (3, 6534297), (7, 2800413), (9, 2178099), (11, 1782081), (21, 933471), (27, 726033), (33, 594027), (49, 400059), (63, 311157), (77, 254583), (81, 242011), (99, 198009), (147, 133353), (189, 103719), (231, 84861), (297, 66003), (441, 44451), (449, 43659), (539, 36369), (567, 34573), (693, 28287), (891, 22001), (1323, 14817), (1347, 14553), (1617, 12123), (2079, 9429), (3143, 6237), (3969, 4939), (4041, 4851)]