18590940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{577}}^1$

素因数の和:771

約数の個数: 72

約数和(自身を含む): 56805840

約数和(自身を除く): 38214900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 179, 180, 358, 537, 577, 716, 895, 1074, 1154, 1611, 1731, 1790, 2148, 2308, 2685, 2885, 3222, 3462, 3580, 5193, 5370, 5770, 6444, 6924, 8055, 8655, 10386, 10740, 11540, 16110, 17310, 20772, 25965, 32220, 34620, 51930, 103283, 103860, 206566, 309849, 413132, 516415, 619698, 929547, 1032830, 1239396, 1549245, 1859094, 2065660, 3098490, 3718188, 4647735, 6196980, 9295470, 18590940]

約数ペア:

[(1, 18590940), (2, 9295470), (3, 6196980), (4, 4647735), (5, 3718188), (6, 3098490), (9, 2065660), (10, 1859094), (12, 1549245), (15, 1239396), (18, 1032830), (20, 929547), (30, 619698), (36, 516415), (45, 413132), (60, 309849), (90, 206566), (179, 103860), (180, 103283), (358, 51930), (537, 34620), (577, 32220), (716, 25965), (895, 20772), (1074, 17310), (1154, 16110), (1611, 11540), (1731, 10740), (1790, 10386), (2148, 8655), (2308, 8055), (2685, 6924), (2885, 6444), (3222, 5770), (3462, 5370), (3580, 5193)]