18259780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{167}}^1$

素因数の和:265

約数の個数: 96

約数和(自身を含む): 48771072

約数和(自身を除く): 30511292

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 71, 77, 110, 140, 142, 154, 167, 220, 284, 308, 334, 355, 385, 497, 668, 710, 770, 781, 835, 994, 1169, 1420, 1540, 1562, 1670, 1837, 1988, 2338, 2485, 3124, 3340, 3674, 3905, 4676, 4970, 5467, 5845, 7348, 7810, 9185, 9940, 10934, 11690, 11857, 12859, 15620, 18370, 21868, 23380, 23714, 25718, 27335, 36740, 47428, 51436, 54670, 59285, 64295, 82999, 109340, 118570, 128590, 130427, 165998, 237140, 257180, 260854, 331996, 414995, 521708, 652135, 829990, 912989, 1304270, 1659980, 1825978, 2608540, 3651956, 4564945, 9129890, 18259780]

約数ペア:

[(1, 18259780), (2, 9129890), (4, 4564945), (5, 3651956), (7, 2608540), (10, 1825978), (11, 1659980), (14, 1304270), (20, 912989), (22, 829990), (28, 652135), (35, 521708), (44, 414995), (55, 331996), (70, 260854), (71, 257180), (77, 237140), (110, 165998), (140, 130427), (142, 128590), (154, 118570), (167, 109340), (220, 82999), (284, 64295), (308, 59285), (334, 54670), (355, 51436), (385, 47428), (497, 36740), (668, 27335), (710, 25718), (770, 23714), (781, 23380), (835, 21868), (994, 18370), (1169, 15620), (1420, 12859), (1540, 11857), (1562, 11690), (1670, 10934), (1837, 9940), (1988, 9185), (2338, 7810), (2485, 7348), (3124, 5845), (3340, 5467), (3674, 4970), (3905, 4676)]