19912323285

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1\times {\mathrm{1063}}^1$

素因数の和:1272

約数の個数: 128

約数和(自身を含む): 38201856000

約数和(自身を除く): 18289532715

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 67, 95, 109, 135, 171, 201, 285, 327, 335, 513, 545, 603, 855, 981, 1005, 1063, 1273, 1635, 1809, 2071, 2565, 2943, 3015, 3189, 3819, 4905, 5315, 6213, 6365, 7303, 9045, 9567, 10355, 11457, 14715, 15945, 18639, 19095, 20197, 21909, 28701, 31065, 34371, 36515, 47835, 55917, 57285, 60591, 65727, 71221, 93195, 100985, 109545, 115867, 138757, 143505, 171855, 181773, 197181, 213663, 279585, 302955, 328635, 347601, 356105, 416271, 545319, 579335, 640989, 693785, 908865, 985905, 1042803, 1068315, 1248813, 1353199, 1738005, 1922967, 2081355, 2201473, 2726595, 3128409, 3204945, 3746439, 4059597, 5214015, 6244065, 6604419, 6765995, 7763089, 9614835, 11007365, 12178791, 15642045, 18732195, 19813257, 20297985, 23289267, 33022095, 36536373, 38815445, 59439771, 60893955, 69867801, 99066285, 116446335, 147498691, 182681865, 209603403, 297198855, 349339005, 442496073, 737493455, 1048017015, 1327488219, 2212480365, 3982464657, 6637441095, 19912323285]

約数ペア:

[(1, 19912323285), (3, 6637441095), (5, 3982464657), (9, 2212480365), (15, 1327488219), (19, 1048017015), (27, 737493455), (45, 442496073), (57, 349339005), (67, 297198855), (95, 209603403), (109, 182681865), (135, 147498691), (171, 116446335), (201, 99066285), (285, 69867801), (327, 60893955), (335, 59439771), (513, 38815445), (545, 36536373), (603, 33022095), (855, 23289267), (981, 20297985), (1005, 19813257), (1063, 18732195), (1273, 15642045), (1635, 12178791), (1809, 11007365), (2071, 9614835), (2565, 7763089), (2943, 6765995), (3015, 6604419), (3189, 6244065), (3819, 5214015), (4905, 4059597), (5315, 3746439), (6213, 3204945), (6365, 3128409), (7303, 2726595), (9045, 2201473), (9567, 2081355), (10355, 1922967), (11457, 1738005), (14715, 1353199), (15945, 1248813), (18639, 1068315), (19095, 1042803), (20197, 985905), (21909, 908865), (28701, 693785), (31065, 640989), (34371, 579335), (36515, 545319), (47835, 416271), (55917, 356105), (57285, 347601), (60591, 328635), (65727, 302955), (71221, 279585), (93195, 213663), (100985, 197181), (109545, 181773), (115867, 171855), (138757, 143505)]