19716528

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1663}}^1$

素因数の和:1706

約数の個数: 80

約数和(自身を含む): 57774080

約数和(自身を除く): 38057552

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 19, 24, 26, 38, 39, 48, 52, 57, 76, 78, 104, 114, 152, 156, 208, 228, 247, 304, 312, 456, 494, 624, 741, 912, 988, 1482, 1663, 1976, 2964, 3326, 3952, 4989, 5928, 6652, 9978, 11856, 13304, 19956, 21619, 26608, 31597, 39912, 43238, 63194, 64857, 79824, 86476, 94791, 126388, 129714, 172952, 189582, 252776, 259428, 345904, 379164, 410761, 505552, 518856, 758328, 821522, 1037712, 1232283, 1516656, 1643044, 2464566, 3286088, 4929132, 6572176, 9858264, 19716528]

約数ペア:

[(1, 19716528), (2, 9858264), (3, 6572176), (4, 4929132), (6, 3286088), (8, 2464566), (12, 1643044), (13, 1516656), (16, 1232283), (19, 1037712), (24, 821522), (26, 758328), (38, 518856), (39, 505552), (48, 410761), (52, 379164), (57, 345904), (76, 259428), (78, 252776), (104, 189582), (114, 172952), (152, 129714), (156, 126388), (208, 94791), (228, 86476), (247, 79824), (304, 64857), (312, 63194), (456, 43238), (494, 39912), (624, 31597), (741, 26608), (912, 21619), (988, 19956), (1482, 13304), (1663, 11856), (1976, 9978), (2964, 6652), (3326, 5928), (3952, 4989)]