18539220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{1193}}^1$

素因数の和:1249

約数の個数: 96

約数和(自身を含む): 60979968

約数和(自身を除く): 42440748

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 37, 42, 60, 70, 74, 84, 105, 111, 140, 148, 185, 210, 222, 259, 370, 420, 444, 518, 555, 740, 777, 1036, 1110, 1193, 1295, 1554, 2220, 2386, 2590, 3108, 3579, 3885, 4772, 5180, 5965, 7158, 7770, 8351, 11930, 14316, 15540, 16702, 17895, 23860, 25053, 33404, 35790, 41755, 44141, 50106, 71580, 83510, 88282, 100212, 125265, 132423, 167020, 176564, 220705, 250530, 264846, 308987, 441410, 501060, 529692, 617974, 662115, 882820, 926961, 1235948, 1324230, 1544935, 1853922, 2648460, 3089870, 3707844, 4634805, 6179740, 9269610, 18539220]

約数ペア:

[(1, 18539220), (2, 9269610), (3, 6179740), (4, 4634805), (5, 3707844), (6, 3089870), (7, 2648460), (10, 1853922), (12, 1544935), (14, 1324230), (15, 1235948), (20, 926961), (21, 882820), (28, 662115), (30, 617974), (35, 529692), (37, 501060), (42, 441410), (60, 308987), (70, 264846), (74, 250530), (84, 220705), (105, 176564), (111, 167020), (140, 132423), (148, 125265), (185, 100212), (210, 88282), (222, 83510), (259, 71580), (370, 50106), (420, 44141), (444, 41755), (518, 35790), (555, 33404), (740, 25053), (777, 23860), (1036, 17895), (1110, 16702), (1193, 15540), (1295, 14316), (1554, 11930), (2220, 8351), (2386, 7770), (2590, 7158), (3108, 5965), (3579, 5180), (3885, 4772)]