18756993808

素因数分解:

$2^4\times 7^2\times {\mathrm{103}}^1\times {\mathrm{109}}^1\times {\mathrm{2131}}^1$

素因数の和:2365

約数の個数: 120

約数和(自身を含む): 43097271360

約数和(自身を除く): 24340277552

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 103, 109, 112, 196, 206, 218, 392, 412, 436, 721, 763, 784, 824, 872, 1442, 1526, 1648, 1744, 2131, 2884, 3052, 4262, 5047, 5341, 5768, 6104, 8524, 10094, 10682, 11227, 11536, 12208, 14917, 17048, 20188, 21364, 22454, 29834, 34096, 40376, 42728, 44908, 59668, 78589, 80752, 85456, 89816, 104419, 119336, 157178, 179632, 208838, 219493, 232279, 238672, 314356, 417676, 438986, 464558, 550123, 628712, 835352, 877972, 929116, 1100246, 1257424, 1536451, 1625953, 1670704, 1755944, 1858232, 2200492, 3072902, 3251906, 3511888, 3716464, 4400984, 6145804, 6503812, 8801968, 10755157, 11381671, 12291608, 13007624, 21510314, 22763342, 23924737, 24583216, 26015248, 43020628, 45526684, 47849474, 86041256, 91053368, 95698948, 167473159, 172082512, 182106736, 191397896, 334946318, 382795792, 669892636, 1172312113, 1339785272, 2344624226, 2679570544, 4689248452, 9378496904, 18756993808]

約数ペア:

[(1, 18756993808), (2, 9378496904), (4, 4689248452), (7, 2679570544), (8, 2344624226), (14, 1339785272), (16, 1172312113), (28, 669892636), (49, 382795792), (56, 334946318), (98, 191397896), (103, 182106736), (109, 172082512), (112, 167473159), (196, 95698948), (206, 91053368), (218, 86041256), (392, 47849474), (412, 45526684), (436, 43020628), (721, 26015248), (763, 24583216), (784, 23924737), (824, 22763342), (872, 21510314), (1442, 13007624), (1526, 12291608), (1648, 11381671), (1744, 10755157), (2131, 8801968), (2884, 6503812), (3052, 6145804), (4262, 4400984), (5047, 3716464), (5341, 3511888), (5768, 3251906), (6104, 3072902), (8524, 2200492), (10094, 1858232), (10682, 1755944), (11227, 1670704), (11536, 1625953), (12208, 1536451), (14917, 1257424), (17048, 1100246), (20188, 929116), (21364, 877972), (22454, 835352), (29834, 628712), (34096, 550123), (40376, 464558), (42728, 438986), (44908, 417676), (59668, 314356), (78589, 238672), (80752, 232279), (85456, 219493), (89816, 208838), (104419, 179632), (119336, 157178)]