18770556

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{619}}^1$

素因数の和:671

約数の個数: 72

約数和(自身を含む): 52913280

約数和(自身を除く): 34142724

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 38, 42, 57, 76, 84, 114, 133, 228, 266, 361, 399, 532, 619, 722, 798, 1083, 1238, 1444, 1596, 1857, 2166, 2476, 2527, 3714, 4332, 4333, 5054, 7428, 7581, 8666, 10108, 11761, 12999, 15162, 17332, 23522, 25998, 30324, 35283, 47044, 51996, 70566, 82327, 141132, 164654, 223459, 246981, 329308, 446918, 493962, 670377, 893836, 987924, 1340754, 1564213, 2681508, 3128426, 4692639, 6256852, 9385278, 18770556]

約数ペア:

[(1, 18770556), (2, 9385278), (3, 6256852), (4, 4692639), (6, 3128426), (7, 2681508), (12, 1564213), (14, 1340754), (19, 987924), (21, 893836), (28, 670377), (38, 493962), (42, 446918), (57, 329308), (76, 246981), (84, 223459), (114, 164654), (133, 141132), (228, 82327), (266, 70566), (361, 51996), (399, 47044), (532, 35283), (619, 30324), (722, 25998), (798, 23522), (1083, 17332), (1238, 15162), (1444, 12999), (1596, 11761), (1857, 10108), (2166, 8666), (2476, 7581), (2527, 7428), (3714, 5054), (4332, 4333)]