19493460

素因数分解:

$2^2\times 3^6\times 5^1\times 7^1\times {\mathrm{191}}^1$

素因数の和:225

約数の個数: 168

約数和(自身を含む): 70511616

約数和(自身を除く): 51018156

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 81, 84, 90, 105, 108, 126, 135, 140, 162, 180, 189, 191, 210, 243, 252, 270, 315, 324, 378, 382, 405, 420, 486, 540, 567, 573, 630, 729, 756, 764, 810, 945, 955, 972, 1134, 1146, 1215, 1260, 1337, 1458, 1620, 1701, 1719, 1890, 1910, 2268, 2292, 2430, 2674, 2835, 2865, 2916, 3402, 3438, 3645, 3780, 3820, 4011, 4860, 5103, 5157, 5348, 5670, 5730, 6685, 6804, 6876, 7290, 8022, 8505, 8595, 10206, 10314, 11340, 11460, 12033, 13370, 14580, 15471, 16044, 17010, 17190, 20055, 20412, 20628, 24066, 25515, 25785, 26740, 30942, 34020, 34380, 36099, 40110, 46413, 48132, 51030, 51570, 60165, 61884, 72198, 77355, 80220, 92826, 102060, 103140, 108297, 120330, 139239, 144396, 154710, 180495, 185652, 216594, 232065, 240660, 278478, 309420, 324891, 360990, 433188, 464130, 541485, 556956, 649782, 696195, 721980, 928260, 974673, 1082970, 1299564, 1392390, 1624455, 1949346, 2165940, 2784780, 3248910, 3898692, 4873365, 6497820, 9746730, 19493460]

約数ペア:

[(1, 19493460), (2, 9746730), (3, 6497820), (4, 4873365), (5, 3898692), (6, 3248910), (7, 2784780), (9, 2165940), (10, 1949346), (12, 1624455), (14, 1392390), (15, 1299564), (18, 1082970), (20, 974673), (21, 928260), (27, 721980), (28, 696195), (30, 649782), (35, 556956), (36, 541485), (42, 464130), (45, 433188), (54, 360990), (60, 324891), (63, 309420), (70, 278478), (81, 240660), (84, 232065), (90, 216594), (105, 185652), (108, 180495), (126, 154710), (135, 144396), (140, 139239), (162, 120330), (180, 108297), (189, 103140), (191, 102060), (210, 92826), (243, 80220), (252, 77355), (270, 72198), (315, 61884), (324, 60165), (378, 51570), (382, 51030), (405, 48132), (420, 46413), (486, 40110), (540, 36099), (567, 34380), (573, 34020), (630, 30942), (729, 26740), (756, 25785), (764, 25515), (810, 24066), (945, 20628), (955, 20412), (972, 20055), (1134, 17190), (1146, 17010), (1215, 16044), (1260, 15471), (1337, 14580), (1458, 13370), (1620, 12033), (1701, 11460), (1719, 11340), (1890, 10314), (1910, 10206), (2268, 8595), (2292, 8505), (2430, 8022), (2674, 7290), (2835, 6876), (2865, 6804), (2916, 6685), (3402, 5730), (3438, 5670), (3645, 5348), (3780, 5157), (3820, 5103), (4011, 4860)]