18514740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{149}}^1$

素因数の和:289

約数の個数: 96

約数和(自身を含む): 55440000

約数和(自身を除く): 36925260

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 109, 114, 149, 190, 218, 228, 285, 298, 327, 380, 436, 447, 545, 570, 596, 654, 745, 894, 1090, 1140, 1308, 1490, 1635, 1788, 2071, 2180, 2235, 2831, 2980, 3270, 4142, 4470, 5662, 6213, 6540, 8284, 8493, 8940, 10355, 11324, 12426, 14155, 16241, 16986, 20710, 24852, 28310, 31065, 32482, 33972, 41420, 42465, 48723, 56620, 62130, 64964, 81205, 84930, 97446, 124260, 162410, 169860, 194892, 243615, 308579, 324820, 487230, 617158, 925737, 974460, 1234316, 1542895, 1851474, 3085790, 3702948, 4628685, 6171580, 9257370, 18514740]

約数ペア:

[(1, 18514740), (2, 9257370), (3, 6171580), (4, 4628685), (5, 3702948), (6, 3085790), (10, 1851474), (12, 1542895), (15, 1234316), (19, 974460), (20, 925737), (30, 617158), (38, 487230), (57, 324820), (60, 308579), (76, 243615), (95, 194892), (109, 169860), (114, 162410), (149, 124260), (190, 97446), (218, 84930), (228, 81205), (285, 64964), (298, 62130), (327, 56620), (380, 48723), (436, 42465), (447, 41420), (545, 33972), (570, 32482), (596, 31065), (654, 28310), (745, 24852), (894, 20710), (1090, 16986), (1140, 16241), (1308, 14155), (1490, 12426), (1635, 11324), (1788, 10355), (2071, 8940), (2180, 8493), (2235, 8284), (2831, 6540), (2980, 6213), (3270, 5662), (4142, 4470)]