2018691540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{937}}^1\times {\mathrm{11969}}^1$

素因数の和:12921

約数の個数: 72

約数和(自身を含む): 6130411560

約数和(自身を除く): 4111720020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 937, 1874, 2811, 3748, 4685, 5622, 8433, 9370, 11244, 11969, 14055, 16866, 18740, 23938, 28110, 33732, 35907, 42165, 47876, 56220, 59845, 71814, 84330, 107721, 119690, 143628, 168660, 179535, 215442, 239380, 359070, 430884, 538605, 718140, 1077210, 2154420, 11214953, 22429906, 33644859, 44859812, 56074765, 67289718, 100934577, 112149530, 134579436, 168224295, 201869154, 224299060, 336448590, 403738308, 504672885, 672897180, 1009345770, 2018691540]

約数ペア:

[(1, 2018691540), (2, 1009345770), (3, 672897180), (4, 504672885), (5, 403738308), (6, 336448590), (9, 224299060), (10, 201869154), (12, 168224295), (15, 134579436), (18, 112149530), (20, 100934577), (30, 67289718), (36, 56074765), (45, 44859812), (60, 33644859), (90, 22429906), (180, 11214953), (937, 2154420), (1874, 1077210), (2811, 718140), (3748, 538605), (4685, 430884), (5622, 359070), (8433, 239380), (9370, 215442), (11244, 179535), (11969, 168660), (14055, 143628), (16866, 119690), (18740, 107721), (23938, 84330), (28110, 71814), (33732, 59845), (35907, 56220), (42165, 47876)]