19510128

素因数分解:

$2^4\times 3^2\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{113}}^1$

素因数の和:247

約数の個数: 120

約数和(自身を含む): 60643440

約数和(自身を除く): 41133312

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 33, 36, 44, 48, 66, 72, 88, 99, 109, 113, 132, 144, 176, 198, 218, 226, 264, 327, 339, 396, 436, 452, 528, 654, 678, 792, 872, 904, 981, 1017, 1199, 1243, 1308, 1356, 1584, 1744, 1808, 1962, 2034, 2398, 2486, 2616, 2712, 3597, 3729, 3924, 4068, 4796, 4972, 5232, 5424, 7194, 7458, 7848, 8136, 9592, 9944, 10791, 11187, 12317, 14388, 14916, 15696, 16272, 19184, 19888, 21582, 22374, 24634, 28776, 29832, 36951, 43164, 44748, 49268, 57552, 59664, 73902, 86328, 89496, 98536, 110853, 135487, 147804, 172656, 178992, 197072, 221706, 270974, 295608, 406461, 443412, 541948, 591216, 812922, 886824, 1083896, 1219383, 1625844, 1773648, 2167792, 2438766, 3251688, 4877532, 6503376, 9755064, 19510128]

約数ペア:

[(1, 19510128), (2, 9755064), (3, 6503376), (4, 4877532), (6, 3251688), (8, 2438766), (9, 2167792), (11, 1773648), (12, 1625844), (16, 1219383), (18, 1083896), (22, 886824), (24, 812922), (33, 591216), (36, 541948), (44, 443412), (48, 406461), (66, 295608), (72, 270974), (88, 221706), (99, 197072), (109, 178992), (113, 172656), (132, 147804), (144, 135487), (176, 110853), (198, 98536), (218, 89496), (226, 86328), (264, 73902), (327, 59664), (339, 57552), (396, 49268), (436, 44748), (452, 43164), (528, 36951), (654, 29832), (678, 28776), (792, 24634), (872, 22374), (904, 21582), (981, 19888), (1017, 19184), (1199, 16272), (1243, 15696), (1308, 14916), (1356, 14388), (1584, 12317), (1744, 11187), (1808, 10791), (1962, 9944), (2034, 9592), (2398, 8136), (2486, 7848), (2616, 7458), (2712, 7194), (3597, 5424), (3729, 5232), (3924, 4972), (4068, 4796)]