18277140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{43517}}^1$

素因数の和:43536

約数の個数: 48

約数和(自身を含む): 58488192

約数和(自身を除く): 40211052

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 43517, 87034, 130551, 174068, 217585, 261102, 304619, 435170, 522204, 609238, 652755, 870340, 913857, 1218476, 1305510, 1523095, 1827714, 2611020, 3046190, 3655428, 4569285, 6092380, 9138570, 18277140]

約数ペア:

[(1, 18277140), (2, 9138570), (3, 6092380), (4, 4569285), (5, 3655428), (6, 3046190), (7, 2611020), (10, 1827714), (12, 1523095), (14, 1305510), (15, 1218476), (20, 913857), (21, 870340), (28, 652755), (30, 609238), (35, 522204), (42, 435170), (60, 304619), (70, 261102), (84, 217585), (105, 174068), (140, 130551), (210, 87034), (420, 43517)]