19419669891

素因数分解:

$3^7\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{743}}^1$

素因数の和:837

約数の個数: 128

約数和(自身を含む): 33383577600

約数和(自身を除く): 13963907709

約数列:

[1, 3, 9, 17, 19, 27, 37, 51, 57, 81, 111, 153, 171, 243, 323, 333, 459, 513, 629, 703, 729, 743, 969, 999, 1377, 1539, 1887, 2109, 2187, 2229, 2907, 2997, 4131, 4617, 5661, 6327, 6687, 8721, 8991, 11951, 12393, 12631, 13851, 14117, 16983, 18981, 20061, 26163, 26973, 27491, 35853, 37179, 37893, 41553, 42351, 50949, 56943, 60183, 78489, 80919, 82473, 107559, 113679, 127053, 152847, 170829, 180549, 235467, 239989, 247419, 322677, 341037, 381159, 458541, 467347, 512487, 522329, 541647, 706401, 719967, 742257, 968031, 1023111, 1143477, 1375623, 1402041, 1537461, 1566987, 1624941, 2159901, 2226771, 2904093, 3069333, 3430431, 4206123, 4700961, 6479703, 6680313, 8712279, 8879593, 9207999, 10291293, 12618369, 14102883, 19439109, 20040939, 26136837, 26638779, 27623997, 30873879, 37855107, 42308649, 58317327, 60122817, 79916337, 113565321, 126925947, 174951981, 239749011, 340695963, 380777841, 524855943, 719247033, 1022087889, 1142333523, 2157741099, 6473223297, 19419669891]

約数ペア:

[(1, 19419669891), (3, 6473223297), (9, 2157741099), (17, 1142333523), (19, 1022087889), (27, 719247033), (37, 524855943), (51, 380777841), (57, 340695963), (81, 239749011), (111, 174951981), (153, 126925947), (171, 113565321), (243, 79916337), (323, 60122817), (333, 58317327), (459, 42308649), (513, 37855107), (629, 30873879), (703, 27623997), (729, 26638779), (743, 26136837), (969, 20040939), (999, 19439109), (1377, 14102883), (1539, 12618369), (1887, 10291293), (2109, 9207999), (2187, 8879593), (2229, 8712279), (2907, 6680313), (2997, 6479703), (4131, 4700961), (4617, 4206123), (5661, 3430431), (6327, 3069333), (6687, 2904093), (8721, 2226771), (8991, 2159901), (11951, 1624941), (12393, 1566987), (12631, 1537461), (13851, 1402041), (14117, 1375623), (16983, 1143477), (18981, 1023111), (20061, 968031), (26163, 742257), (26973, 719967), (27491, 706401), (35853, 541647), (37179, 522329), (37893, 512487), (41553, 467347), (42351, 458541), (50949, 381159), (56943, 341037), (60183, 322677), (78489, 247419), (80919, 239989), (82473, 235467), (107559, 180549), (113679, 170829), (127053, 152847)]