2019900944

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{193}}^1\times {\mathrm{199}}^1$

素因数の和:592

約数の個数: 80

約数和(自身を含む): 4185744000

約数和(自身を除く): 2165843056

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 173, 193, 199, 304, 346, 386, 398, 692, 772, 796, 1384, 1544, 1592, 2768, 3088, 3184, 3287, 3667, 3781, 6574, 7334, 7562, 13148, 14668, 15124, 26296, 29336, 30248, 33389, 34427, 38407, 52592, 58672, 60496, 66778, 68854, 76814, 133556, 137708, 153628, 267112, 275416, 307256, 534224, 550832, 614512, 634391, 654113, 729733, 1268782, 1308226, 1459466, 2537564, 2616452, 2918932, 5075128, 5232904, 5837864, 6644411, 10150256, 10465808, 11675728, 13288822, 26577644, 53155288, 106310576, 126243809, 252487618, 504975236, 1009950472, 2019900944]

約数ペア:

[(1, 2019900944), (2, 1009950472), (4, 504975236), (8, 252487618), (16, 126243809), (19, 106310576), (38, 53155288), (76, 26577644), (152, 13288822), (173, 11675728), (193, 10465808), (199, 10150256), (304, 6644411), (346, 5837864), (386, 5232904), (398, 5075128), (692, 2918932), (772, 2616452), (796, 2537564), (1384, 1459466), (1544, 1308226), (1592, 1268782), (2768, 729733), (3088, 654113), (3184, 634391), (3287, 614512), (3667, 550832), (3781, 534224), (6574, 307256), (7334, 275416), (7562, 267112), (13148, 153628), (14668, 137708), (15124, 133556), (26296, 76814), (29336, 68854), (30248, 66778), (33389, 60496), (34427, 58672), (38407, 52592)]